MovinCool Classic 40 - Manual (Page 36)

36
OPERATION (cont.)
Self-Diagnostic Codes
Self-diagnostic codes are displayed on the control panel under the following
conditions.
Contact your MovinCool reseller or a qualified technician if problem persists.
LED Display Codes Condition
When room thermistor becomes open or shorted,
display shows “E1” 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 “E2” and cool mode operation is off.
Display and cool mode operation are returned to normal
operation after freeze thermistor is fixed.
When the protective device is activated, the LED
displays “E4” and cool mode operation is off.
When lose of cooling occurs 3 times, the unit displays
“CF”. The unit returns to normal operation after the
problem is fixed and the controller is RESET.
To RESET: Hold down the SET TEMP (
/ ) buttons
simultaneously for 3 seconds.
When high pressure switch is activated 3 times , the unit
displays blinking “HP”and after 10 times in 24 hr., “HP”
turns on. The unit returns to normal operation after the
problem is fixed and the controller is RESET.
To RESET: Hold down the SET TEMP (
/ ) buttons
simultaneously for 3 seconds.
When the unit detects a signal from the fire alarm
system, the display shows "AL" 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 or the wall thermostat has been turned off and
on.
To RESET: Hold down the SET TEMP (
/ ) buttons
simultaneously for 3 seconds.