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23
OPERATION (cont.)
Self-Diagnostic Codes
Self-diagnostic codes are displayed on the control board under the following
conditions.
Contact your MovinCool reseller or a qualified technician if problem persists.
LCD Display Codes Condition
When the drain tank switch shuts off the unit, LCD displays
“TANK FL” and “TANK FULL” LED flashes.
Once emptying the drain tank procedure is completed and
ON/OFF has been pushed, unit returns to normal operation.
When the condensate pump stops pumping water due to any
kink and/or blockage in the drain line or due to improper
routing of the drain line, the compressor shuts off, and the
LCD displays “AS”. Once the condition is fixed and unit has
been RESET, the unit returns to normal operation.
To RESET: Press FAN HI/LO and COOL ON/OFF buttons
simultaneously for 5 seconds.
< Office Pro 24 ONLY > When high pressure switch is
activated, display shows “HP” if high pressure switch is
activated 3 times in 24 hours, unit displays blinking “HP” and
a buzzer turns on (see page 28). Unit returns to normal
operation after problem is fixed and controller is RESET.
To RESET: Press FAN HI/LO and COOL ON/OFF buttons
simultaneously for 5 seconds.
When room thermistor becomes open or shorted, display
shows “OPEN RT” or “SHRT RT” and cool mode operation is
off. Display and cool mode operation are returned to normal
operation after room thermistor is fixed.
When freeze thermistor becomes open or shorted, display
shows “OPEN FT” or “SHRT FT” and cool mode operation is
off. Display and cool mode operation are returned to normal
operation after freeze thermistor is fixed.
When the unit detects a signal from the fire alarm system, the
display shows "ALRM" and a buzzer turns on. Check the fire
alarm system and confirm that there is no signal input to the
unit. The unit returns to the normal operation after the
problem is fixed and the controller is RESET.
To RESET: Press FAN HI/LO and COOL ON/OFF buttons
simultaneously for 5 seconds.
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