Daikin JEHCCU0040CM1 Installationsanleitung Seite 8

3.14.6 EXD-HP1 Error/Alarm handling
Alarm
Description
code
Pressure sensor 1/2 error
1E0/2E0
Temperature sensor 1/2
1E1/2E0
error
Discharge hot gas
1Ed
temperature sensor 3 error
EXM/EXL electrical
1AII/2AII
connection error
Discharge hot gas
1Ad
temperature above limit
AF
Freeze protection
AF blinking
AL Low superheat
(<0.5K)
AL blinking
AH High superheat
AP
Low pressure
AP blinking
Note: When multiple alarms occur, the highest priority alarm is displayed until being cleared.
Then the next highest alarm is displayed until all alarms are cleared.
Only then will parameters will be shown again
O-CU06-AUG17-3
All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction.Other languages are the translations of the original
instructions.
Related
Valve What to do?
parameter
- Fully close Check wiring connection and measure the signal 4 to 20 mA
- Fully close Check wiring connection and measure the resistance of sensor
- Operating Check wiring connection and measure the resistance of sensor
Check wiring connection and measure the resistance of
- -
winding
Check valve opening/ check liquid flow for flash gas
Operating
free/check discharge hot gas temperature sensor
1P4/2P4: 1 Fully close
Check the system for cause of low pressure such as
1P4/2P4: 2 Fully close insufficient load on evaporator
1uL/2uL: 1 Fully close
Check wiring connection and operation of valve
1uL/2uL: 2 Fully close
1uH/2uH: 1 Operating Check the system
1P9/2P9: 1 Operating Check the system for cause of low pressure such as refrigerant
1P9/2P9: 2 Operating loss
Requires manual reset
after resolving alarm
No
No
No
No
No
No
Yes
No
Yes
No
No
Yes
8
ENGLISH