E-
44
Troubleshooting
Outdoor Unit
The table below give indication about self diagnostic routine. Some of error code requires activities
exclusively for Authorized Service Center.
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and
INVERTER PCB.
No.
Main 7-seg display
Meaning
Error Number
1
-
Power off/VDD NG
2
-
Power ON reset(1sec)
3
-
Normal Operation
4
The number of indoor units error
5
Indoor and Outdoor Unit communication error
6
Communication error between outdoor unit Inv and Main micom(1minute)
7
Outdoor temp sensor error(Short/Open)
8
Cond temp sensor error(Short/Open)
9
[Self-diagnosis] Cond sensor detachment
10
Discharge temp sensor error(Short/Open)
11
[Self-diagnosis] Discharge sensor detachment
12
Double pipe sensor error
13
OLP sensor error
14
Over-load prevention control
15
High pressure protection control
16
Discharge over temperature
17
ESC EEV Open
18
Prohibited heating mode OP. [Outdoor temp. over 35°C or Out of inlet water temp. (5°C ~ 55°C)]
19
Prohibited cooling mode OP. [Outdoor temp. under 10°C or Out of inlet water temp. (5°C ~ 55°C)]
20
Fan_1 error
21
Fan_2 error
22
Detection error of misconnected communication cable between indoor and outdoor unit
23
Comp Starting error
24
Over current of total current
25
Over temperature of OLP thermistor
26
IPM Over Current(O.C)
27
Comp limit error
28
DC-Link voltage under/over error
29
Comp rotation error
30
Current sensor error
31
DC-Link voltage sensor error
32
OTP error
33
AC Line Zero Cross Signal out
34
GAS Leak error(Dual/Single)
RD060PHXEA_IM_E_32352A(2).indd 44
2010-07-26 ｿﾀﾈﾄ 2:20:09
