Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 102

12-3. Error code
list.
Error codes are explained on the below tables.
w1. When a communication error is occurring, the display of remote controller may not match that of the optional parts
"A control service kit (PAC-SK52ST)", or may not come on at all.
w2. Beeping sounds come out of the signal receiving section of the wireless remote controller only when the
malfunction-diagnosis is conducted by using the wireless remote controller.
1 Indoor unit error
Error code
Display of remote
Beep output
controller or A
control service tool
P1 Beep(one sec.) x 1
P2 Beep(one sec.) x 2
P4 Beep(one sec.) x 4
P5 Beep(one sec.) x 5
P6 Beep(one sec.) x 6
P8 Beep(one sec.) x 8
P9 Beep(one sec.) x 2
2 Outdoor unit error
Error code
Display of remote
Beep output
controller or A
control service tool
F3 Short 2 beeps (0.4 sec.) x 1
F5 Short 2 beeps (0.4 sec.) x 1
F9 Short 2 beeps (0.4 sec.) x 1
U1 Short 2 beeps (0.4 sec.) x 1
U2 Short 2 beeps (0.4 sec.) x 1
U3 Short 2 beeps (0.4 sec.) x 1
Short 2 beeps (0.4 sec.) x 1
U4
U5 Short 2 beeps (0.4 sec.) x 1
U7 Short 2 beeps (0.4 sec.) x 1
U9 Short 2 beeps (0.4 sec.) x 1
U6 Short 2 beeps (0.4 sec.) x 1
UF Short 2 beeps (0.4 sec.) x 1
UH Short 2 beeps (0.4 sec.) x 1
UL Short 2 beeps (0.4 sec.) x 1
UP Short 2 beeps (0.4 sec.) x 1
Unit which
High prior
detects error
remote controller
5101 Indoor
5102 Indoor
2503 Indoor
2500, 2502 Indoor
1503
Indoor
1504
1110 Indoor
5103 Indoor
Unit which
High prior
detects error
remote controller
5202 Outdoor
5201 Outdoor
4119 Outdoor
1302 Outdoor
1102 Outdoor
5104 Outdoor
5105
5107 Outdoor
5106
5110
4230 Outdoor
1502 Outdoor
4220 Outdoor
4250 Outdoor
4100 Outdoor
5300 Outdoor
1300 Outdoor
4210 Outdoor
Error details
Abnormality of room temperature thermistor (TH1)
Abnormality of pipe temperature thermistor/Liquid (TH2)
Abnormality of drain sensor (DS)
Drain overflow protection
Freezing protection in cooling operation
Overheating protection in heating operation
Abnormality of pipe temperature
Abnormality of pipe temperature thermistor/Cond./Eva
Error details
Connector(63L) is open.
<RP4~RP6 only>
Connector(63H) is open.
2 or more connectors are open.
<RP4~RP6 only>
Abnormal high pressure (63H worked)
Abnormal discharging temperature
Open/short circuit of discharging thermistor (TH4)
Open/short circuit of outdoor pipe temperature thermistor/Liquid (TH3)
Open/short circuit of outdoor pipe temperature thermistor/Cond./Eva. (TH6)
Open/short circuit of outside temperature thermistor (TH7)
Open/short circuit of heat sink thermistor (TH8)
Abnormal temperature of heat sink
Abnormality of super heat due to low discharge temperature
(RP3 only)
Abnormality such as overvoltage or voltage shortage
Abnormality of power module
Compressor overcurrent interruption
(When compressor locked)
Current sensor error
Abnormal low pressure (63L worked)
<RP4~RP6 only>
Compressor overcurrent interruption
102
Inspection
method and
troubleshooting
P106
P106
P106
P106
P107
P107
P108
Inspection
method and
troubleshooting
P109
P109
P109
P111
P111
P112
P112
P112
P112
P113
P112
P113
P113
P113
P113