Fault Codes - WaterLogic WL800 – MAX II Manual

1. UV LED Blinking – UV Error
2. Heating and Service LED Blink Simultaneously – Hot Water Sensor Error
3. Chilling and Service LED Light Blink Simultaneously – Cold Water Sensor Error
4. Heating and Service LED Alternate Blinking –Low Water Level Error
5. Chilling and Service LED Alternate Blinking – Full Water Level Error
6. Heating, Chilling and Service LED Sequentially Blink
7. Service LED is On – Leak Detection Probe Has Detected Water
UV LED Blinking – UV Error
Possible Reason
UV Lamp or Pump is Not
Operational
Heating and Service LED Blink Simultaneously – Hot Water Sensor Error
Possible Reason
Sensor not connected or is not
operating within set
parameters
Chilling and Service LED Light Blink Simultaneously – Cold Water Sensor Error
Possible Reason
Sensor is not connected or is
not operating within set
parameters
WL800 Manual
FAULT CODE INDEX
Check Connections to UV Lamp / Pump Assembly. Replace
UV Lamp / Pump Assembly as needed.
1. Check connection to Hot water sensor.
2. Check OHMS reading – above 900K indicates open
sensor. Below 5.2K indicates sensor short.
Replace Hot Water Sensor.
1. Check connection to Cold Water Sensor.
2. Check OHMS reading – above 690K Indicates Open
Sensor, below 7.3K indicates Sensor Short.
Replace Cold Water Sensor.
Solution
Solution
Solution
Page 63 – Revision 12-11-2018