18
62--61177--01
7.9.
Fault alarm display
a. Access by the SET key
1. Press the SET key (6.) during 5 seconds to access to malfunction codes.
2. Press the -- or + key (5. or 7.) to display alarms
-
Current malfunctions:
A
XX
-
Past malfunctions :
P
XX
3. If several malfunctions occur simultaneously, list them using the -- or + keys (5. or 7.).
MALFUNCTION CODE -- Red LED flashes
CODE
DESCRIPTION
AL00
No malfunction. Unit in operation
AL01
Low pressure switch open
AL02
High pressure switch open
AL03
Standby compressor over heated
AL04
Clutch compressor fault
AL05
Contactor fault
AL06
Condenser fault
AL07
Evaporator fan fault
AL08
Hot water solenoid fault
AL09
Defrost valve (HGS1) fault
AL10
Liquid injection valve fault
AL11
Hot gas valve (HGS2) fault
AL12
High temperature alarm
AL13
Low temperature alarm
AL14
Defrost alarm > 45 minutes
AL15
Setpoint adjusted out of the range -29
_
C / +30
_
C
AL16
Drain water resistor fault
AL17
Thermal break down standby transformer or diode bridge protection fault
AL18
Electrical heating relay fault
AL19
Liquid solenoid valve fault
AL20
LP standby pressure switch opened
AL21
Open circuit contactor compressor
