Troubleshooting – Denso PRO 18 User Manual
Page 24
TROUBLESHOOTING
Self-Diagnostic Codes
Self-Diagnostic Codes will be displayed on the Control Board under the
following conditions:
Code
Condition
dF
When the evaporator thermistor
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 conden-
sate pump is discharging water.
HP
When the high pressure switch
disengages the compressor.
LO
Lowest temperature set point.
HI
Highest temperature set point.
TANK
FULL
SET POINT
F
C
ROOM TEMP
AM
PM
SET TEMP
CLOCK/TIMER
FAN ON/OFF
COOL ON/OFF
PROGRAM
SET
START TIME
END TIME
SET CLOCK
RUN
HRS
MIN
Check the following points before calling a qualified technician.
SYMPTOM
POSSIBLE CAUSE
REMEDY
Unit does not operate
➀
Ground fault breaker tripped
Reset breaker
➁
Drain tank is full
Empty the drain tank
(FULL TANK LED will be
flashing)
Insufficient cooling
➀
Dirty/blocked air filters
Clean air filters
➁
Air inlet/outlet blocked
Clear air inlet/outlet
➂
Improper temperature setting
Set to desired position
If symptoms persist after the above actions have been taken, turn the
unit off, disconnect the power cord plug and contact your MovinCool
reseller.
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