Troubleshooting & Repair; Troubleshooting And Repair - Movincool Office Pro 18 Service Manual

Before troubleshooting the system, the following inspection should be performed.
1. Inspection of Power Source Voltage
Check the voltage of the power source.
Single phase 115 volts (60Hz)
Check the operation and condition of the fuse or circuit breaker in the power source.
2. Inspection of Air Filters
Remove the air filters and check the element. If the element is dirty, wash it as described in the OPERA-
TION MANUAL supplied with the unit.
3. Inspection of Drain Tank
Be sure tank is fully drained.
The following chart is provided as a guide for categorized problem remedies. Detailed information is
contained in the OPERATION MANUAL supplied with the unit.
4. Self-Diagnostic Codes
Self-Diagnostic codes will be displayed on the
control board under the following conditions:
dF When the evaporator anti-freeze ther-
mistor disengages the compressor.
FL When the drain tank switch shuts off the
unit (full tank LED flashes).
AS When unit disengages the compressor
while the condensate pump is discharg-
ing water.
LO Lowest temperature set point
HI Highest temperature set point

TROUBLESHOOTING AND REPAIR

TANK
FULL
FAN ON/OFF
COOL ON/OFF
OP18 Control Panel
19
F
C
SET POINT ROOM TEMP
SET TEMP CLOCK/TIMER
HRS
START TIME
END TIME
SET CLOCK
SET
PROGRAM
Office Pro 18
AM
PM
MIN
RUN