Hayward HP50HA Troubleshooting Manual
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Hayward HP50HA Troubleshooting Manual

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HP50HA ABG Heat Pump
Troubleshooting Guide Residential
TSG-ABGHPa
Copyright 2017 Hayward Industries Inc.

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Summary of Contents for Hayward HP50HA

  • Page 1 HP50HA ABG Heat Pump Troubleshooting Guide Residential TSG-ABGHPa Copyright 2017 Hayward Industries Inc.

  • Page 2: Safety Precautions

    Safety Precautions Warning High Voltage Electrocution Hazard Hazardous voltage can shock, burn, cause serious injury and or death. To reduce the risk of electrocution and or electric shock hazards: • Only qualified technicians should remove the dead front • Replace damaged wiring immediately •...

  • Page 3: Table Of Contents

    Table of Contents How the Heat Pump Works & Specifications Pg. 4-5 Replacement Parts & 4.8k ohm Chart Pg. 6-7 Display Functions and Descriptions Pg. 8 How To: Pg. 9-15 Toggle ON/OFF and Mode & Lock/Unlock Heat Pump 10-11 Set Pool Temperature & Set Clock 12-14 Set Timer ON/OFF &...

  • Page 4: How The Heat Pump Works & Specifications

    ABG Heat Pump: How It Works • The Hayward HP50HA Heat Pump provides the perfect pool water temperature to enhance the enjoyment of your pool throughout the swimming season. This is achieved through heating and cooling modes that work in concert to achieve an ideal swimming temperature that is user defined.
  • Page 5 ABG Heat Pump: Specifications HP50A/HP50HA - Specifications 14.7kW Heating Capacity 50,000 BTU/h Refrigerant Type R-410A Heating Power Input 2.68kW Running Current Power Supply 208-230VAC/60Hz Compressor Quantity Compressor Rotary Fan Quantity Fan Power Input 120W Fan Rotate Speed 850RPM Fan Orientation...

  • Page 6: Replacement Parts & 4.8K Ohm Chart

    ABG Heat Pump: Replacement Parts Part Numbers Description: Part Numbers Description: HPX2000-3242 Temperature Sensor HPX32012-220045 Top Panel Cover HPXMCB50 Main Control PCB HPX2001-1418 4 Way Valve High Pressure HPX2001-3605 HPX32012-120031 Evaporator Switch Low Pressure Titanium Tube Heat HPX20000-3603 HPX32012-120014 Switch Exchanger Water Proof Cover for HPX20000-360005...
  • Page 7 4.8k ohm Temperature/Resistance Chart Use the following chart to determine the reported temperature of a sensor based on resistance (with sensor disconnected): 4.8k ohm Sensor Temperature / Resistance Chart Sensor Sensor Temp °F Temp °C resistance Temp °F Temp °C resistance (k ohm) (k ohm)

  • Page 8: Display Functions And Descriptions

    Display Functions & Descriptions LED Display: Use for readings, set points, & timers Use for toggling Metric vs. US Increase Standard parameter Use for toggling heater modes Decrease and setting parameter parameters Use to toggle heat pump active/inactive Use to set Use to set Use to set system time...

  • Page 9: How To

    HP50HA ABG Heat Pump How To:...

  • Page 10: Toggle On/Off And Mode & Lock/Unlock Heat Pump

    How To: Toggling ON/OFF & Mode Follow these steps instructions to activate/deactivate the heat pump OR to toggle between Auto, Heat, and Cool modes. Heat Pump Active Heat Pump Inactive Press Press Power Power Button Button To activate the heat pump, press & release the power To deactivate the heat pump, press &...
  • Page 11 How To: Lock/Unlock Heat Pump Follow these steps instructions to Lock or Unlock the Heat Pump. Lock Heat Pump Heat Pump Inactive Press & Hold Press & Hold Power for Power for 5 seconds 5 seconds To Lock the heat pump, PRESS & HOLD the power To Unlock the heat pump, PRESS &...

  • Page 12: Set Pool Temperature & Set Clock

    How To: Set Pool Temperature Follow these steps to set the pool temperature. Step 1 Step 2 Verify the heater’s power LED is illuminated, and put the heater is Using the up and down arrows adjust the heater to the desired the desired mode.
  • Page 13 How To: Set Clock Follow these steps to adjust the Clock Settings. Note: blocked off areas of the display represent flashing numbers. Step 1 Step 2 Press the “CLOCK” button to show the current time; it will Press “CLOCK” a second time, the hours portion of the clock will appear in a flashing state.
  • Page 14 How To: Set Clock (cont.) Note: blocked off areas of the display represent flashing numbers. Step 5 Step 6 Use the up or down arrow to adjust the hours. Press “CLOCK” a final time to save and exit. Note: Step 6, IF you wish to cancel all changes, press the Power button instead of “CLOCK”.

  • Page 15: Set Timer On/Off & Cancel Existing Timers

    How To: Set Timer ON/OFF Follow these steps to adjust the ON/OFF timer. Note: blocked off areas of the display represent flashing numbers. Step 1 Step 2 Press the “TIMER ON” button to show the start time; it will Press “TIMER ON” a second time, the hours portion of the start appear in a flashing state.
  • Page 16 How To: Set Timer ON/OFF (cont.) Note: blocked off areas of the display represent flashing numbers. Step 5 Step 6 Use the up or down arrow to adjust the hours. Press “TIMER ON” a final time to save and exit. *NOTE: YOU MUST ALSO SET OFF TIME: To set the OFF time, repeat steps 1-6, ONLY this time press the “TIMER OFF”...
  • Page 17 How To: Cancel Existing Timers Follow these steps to cancel the ON/OFF timer. Note: blocked off areas of the display represent flashing numbers. Step 1 Step 2 Press the “TIMER ON” button to show the start time; it will Press & release the power button to cancel this ON timer (DO appear in a flashing state.

  • Page 18: Check A Capacitor (Multi-Meter)

    How To: Check A Capacitor (multi-meter) Follow these steps when attempting to test a capacitor (using an multi-meter). First, document how wires are attached Step 1 then remove all wires from capacitor. Set multi-meter to ohms (60K range OR Step 2 highest possible option if less than 60K).

  • Page 19: Troubleshooting

    HP50HA ABG Heat Pump Troubleshooting...

  • Page 20: Error Code: P01,P02,P04, Or P05

    1. Error Code: P01, P02, P04 or P05 Remove Locate Error Code: Power down temperature selected sensor P01,02,04,05 Heat Pump sensors from wire locks Ohm sensor Is sensor comparing values Replace Main PCB: within to Temperature / HPXMCB50 expected Resistance Chart range? (pg.
  • Page 21 1. Error Code: P01, P02, P04 or P05 The P01, P02, P04, and P05 errors are all related to temperature readings provided by the four temperature sensors; failures may include (sensor failure, broken wire to sensor, or a control board problem). Power Down &...

  • Page 22: Error Code: P07

    2. Error Code: P07 Verify resistor Error Code: Power down is secured to Heat Pump main control board Verify resistor is Is resistor measuring at 6.8k secured? ohm (+/-.5) Is 6.8k ohm Secure Replace Main PCB: Problem resistor in resistor, then HPXMCB50 solved range?
  • Page 23 2. Error Code: P07 Locate and test the 6.8k Ohm resistor on the main control PCB. If the resistor is out of range, replace it, otherwise replace the main control PCB. Power Down & Locate Resistor Measure Resistance Step 2A Step 2B Power down the heat pump, and locate the resistor.

  • Page 24: Error Code: E01

    3. Error Code: E01 Does error clear Remove pressure Error Code: Power down when heat pump switch wires & test Heat Pump is not running? switch for resistance Attach gauge Does the Replace switch: manifold to switch have HPX2001-3605 high side resistance? During Verify pump...
  • Page 25 3. Error Code: E01 An Error Code: E01 relates to a problem detected on the high refrigerant pressure side. This could be caused by a problem with the pressure switch, pressure switch wiring, control board PCB, the water supply, the filter dryer, or the Heat Pumps refrigerant charge.
  • Page 26 3. Error Code: E01 (cont.) If pressure switch wires are damaged then they will need to be repaired or replaced, as this will cause issues between the control board and the pressure switch. Inspect Pressure Switch Wires Verify High Pressure Side Step 3C Step 3D If pressure switch wires are damaged, this will affect...
  • Page 27 3. Error Code: E01 (cont.) Overcharging the Heat Pump can also cause an Error Code E01. If overcharged recover refrigerant from the heat pump, evacuate to 500 microns, and recharge with 3.1lbs R-410A refrigerant. Pump Speed & Low Pressure Side Recharge Heat Pump Step 3E Step 3F...

  • Page 28: Error Code: E02

    4. Error Code: E02 Does error clear Attach gauge Error Code: Is fan when heat pump manifold to running? is not running? low side Attach gauge During manifold to operation, is Go to Section 2 low side pressure above (next page) 3PSI? While dormant, Remove pressure...
  • Page 29 4. Error Code: E02 Ensure fan has Section 2: (Fan Is 240VAC 240VAC (on call not running) present? for heat/cool) Check fan for obstructions, if Replace Main PCB: present, shut down Contact tech HPXMCB50 & remove support: obstructions (908) 355-7995 Test fan Red &...
  • Page 30 4. Error Code: E02 While the heat pump is in its dormant (not running) state, the low side pressure should read at least 25PSI. Does Error Clear? Verify Low Pressure Side Step 4A Step 4B To isolate an E02 error, first verify whether the error Attach low pressure manifold gauge.
  • Page 31 4. Error Code: E02 (cont.) If the heat pump does not have 25PSI of pressure on the low pressure side, while dormant (not running), then it likely has a leak. Leak Test & Recharge Heat Pump Power Down & Test Pressure Switch Step 4C Step 4D Recharge Specifications...
  • Page 32 4. Error Code: E02 (cont.) While the heat pump is running, the low side pressure should read at least 3PSI. Inspect Pressure Switch Wires Verify Low Pressure Side Step 4E Step 4F If pressure switch wires are damaged, this will affect Attach low pressure manifold gauge.
  • Page 33 4. Error Code: E02 (cont.) If the fan is not running when the heat pump is calling for heat/cool, this could affect the low side pressure. Verify whether the fan is running when calling for heat/cool. During Operation Inspect Fan Leak Test &...
  • Page 34 4. Error Code: E02 (cont.) Obstructions to the fan my include: nests, sticks, broken fan guard, or other debris that may be preventing the fan blade from spinning. Verify Fan Input Power Verify Fan is Free of Obstructions Step 4I Step 4J During operation the fan should have 240VAC input Turn off power &...
  • Page 35 4. Error Code: E02 (cont.) To test the fan motor, isolate the motor wires and measure resistance across red & blue (83ohms), blue & black (203ohms), and red & black (121ohms). Disconnect & Test Fan Motor Test Fan Capacitor Step 4K Step 4L Isolate the fan and measure resistance across the wires.

  • Page 36: Error Code: E03

    5. Error Code: E03 Verify water is Check flow Error Code: Verify the pump flowing at pool switch is running return orientation If bypass is open, slowly Check skimmer basket Is flow switch close to & filter pressure, clean installed determine if as needed correctly?
  • Page 37 5. Error Code: E03 Error Code 03 is reporting a flow error. Verify the pump is not only on and running but circulating water through the heat pump before proceeding. Verify Flow Verify Flow Switch Orientation Step 5A Step 5B Verify the pump is on and water is passing through the Verify the flow switch is mounted in the correct heat pump.
  • Page 38 5. Error Code: E03 (cont.) Check the skimmer, pump basket, filter pressure. Clean as needed. If the error clears after cleaning the filter, note the current pump speed and filter for future reference. Check Skimmer & Filter Pressure Slowly Close Bypass Step 5C Step 5D Inspect the skimmer, filter pressure, &...
  • Page 39 5. Error Code: E03 (cont.) When the flow requirements of the heat pump are satisfied, the flow switch should register continuity, and it should report as open at insufficient flow. Isolate Flow Switch & Test Step 5E Isolate the flow switch (disconnecting the wires from the control board).

  • Page 40: Error Code: E06

    6. Error Code: E06 Based on chart, are Replace defective Test inlet & outlet water Error Code: temp sensors against 4.8k either temp sensors temp sensor(s): ohm chart (pg. out of range? HPX2000-3242 Expected water differential between inlet & outlet is: 3.5°F Close bypass slowly, monitoring the...
  • Page 41 6. Error Code: E06 The E06 error implies that the temperature differential between the inlet and outlet water sensors is greater than 58°F; however the expected differential between these sensors should be closer to 3.5°F. Test Inlet & Outlet Temp Sensors Monitor Differential (closing bypass) Step 6A Step 6B...

  • Page 42: Error Code

    7. Error Code: E07/E19/E29 E19: (standby mode) & Error Code: Is error code: implies air temp reads E07/E19/E29 E19? <32°F & water temp is between 37°- 40°F E29: (heating mode) Is error code: & implies air temp E29? reads <32°F & water temp <...
  • Page 43 7. Error Code: E07/E19/E29 Error Codes: E07, E19, & E29 all refer to different versions of freeze protection and are based on reported temperature reading by the ambient air temp sensor and inlet water temp sensor. Which Error Code Error Code: E07 Step 7A Step 7B Step 7B...
  • Page 44 7. Error Code: E07/E19/E29 (cont.) Error Codes: E07, E19, & E29 all refer to different versions of freeze protection and are based on reported temperature reading by the ambient air temp sensor and inlet water temp sensor. Error Code: E19 Error Code: E29 Step 7C Step 7D...

  • Page 45: Control Board

    7. Error Code: E07/E19/E29 (cont.) Either the sensor(s) is/are causing the problem or the problem resides in the main control board. Test the Air & Inlet Temp Sensors Step 7E Following the chart (pg. 7), verify whether the air & inlet water temperature sensors are reading accurately.

  • Page 46: Error Code: E08

    8. Error Code: E08 Connect a new Error Code: Did the E08 go Display to the Replace display: main control away? HPX95005-310188 board Replace Main PCB: HPXMCB50...
  • Page 47 8. Error Code: E08 An Error Code: E08 refers to a communication error between the display (user interface) and the main control board. Replace Display Step 8A Swap display (user interface) with a new display board (HPX95005-310188). IF the problem goes away, keep the new display board on.

  • Page 48: Reading Serial Numbers

    Reading Serial Numbers Beginning 2005 21121607 000717035 21121607 Common to all ID tags. 21121607 Plant of manufacture: 100 = Canada 110 = Pomona, CA 120 = Clemmons, NC 130 = Nashville, TN 21121607 Year & Month of manufacture: 402 = 2004, Feb 405 = 2004, May 501 = 2005, Jan 607 = 2006, July...

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