Denso PRO 18 operation manual Troubleshooting, Self-DiagnosticCodes, Condition

Models: PRO 18

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TROUBLESHOOTING

TROUBLESHOOTING

Self-Diagnostic Codes

Self-Diagnostic Codes will be displayed on the Control Board under the following conditions:

 

 

 

Code

Condition

F

 

AM

dF

When the evaporator thermistor

TANK

 

 

C

 

PM

FULL

 

 

 

 

 

disengages the compressor.

SET POINT

ROOM TEMP

 

SET TEMP

CLOCK/TIMER

 

 

 

HRS

MIN

FL

When the drain tank switch

FAN ON/OFF

 

 

 

shuts off the unit (FULL TANK

 

 

 

LED flashes).

 

START TIME

 

 

END TIME

 

 

 

 

 

SET CLOCK

AS

When unit disengages the

 

 

 

 

SET

RUN

 

compressor while the conden-

 

 

 

 

COOL ON/OFF

PROGRAM

 

sate pump is discharging water.

 

 

 

 

 

 

 

HP

When the high pressure switch

 

 

 

 

disengages the compressor.

 

 

 

LO

Lowest temperature set point.

 

 

 

HI

Highest temperature set point.

Check the following points before calling a qualified technician.

SYMPTOM

POSSIBLE CAUSE

REMEDY

 

 

 

Unit does not operate

Ground fault breaker tripped

Reset breaker

 

Drain tank is full

Empty the drain tank

 

(FULL TANK LED will be

 

 

flashing)

 

 

 

 

Insufficient cooling

Dirty/blocked air filters

Clean air filters

 

Air inlet/outlet blocked

Clear air inlet/outlet

 

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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Denso PRO 18 operation manual Troubleshooting, Self-DiagnosticCodes, Condition