Self-Diagnosis Function - Friedrich MR24UY3J Manuel D'installation

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Self-diagnosis Function

Error Indicator (Outdoor)
2 Times
LED01G
(RED)
1 Sec.
1 Time
LED02G
(GREEN)
2 Sec.
MR24UY3J
Error Code
21
DC Peak(IPM Fault)
22
Max. CT(CT2)
23
DC Link Low Volt.
24
Pressure switch/Heater Sink.
26
DC Comp Position Error
27
PFC Fault Error
29
Comp Over Current
32
D-Pipe High(Inv.)
40
CT Sensor(Open/Short)
41
Inv. D-Pipe Th Error(Open/Short)
43
High Pressure Sensor(Open/Short)
44
Outdoor air Th Error(Open/Short)
45
Cond. Middle Pipe Th Error(Open/Short)
46
Suction Pipe Th Error(Open/Short)
48
Cond. Out-Pipe Th Error(Open/Short)
51
Capacity over
Communication Error(Indoor ↔ Outdoor)
53
60
EEPROM Error(Outdoor)
61
Cond. Middle Pipe High
62
Heatsink Error(High)
65
Heatsink Th Error(Open/Short)
67
BLDC motor fan lock(Outdoor)
If abnormal voltage is supplied, the protection circuits will turn off the product in order to prevent
the component damage. The product will automatically restart after 3 minutes.
2 Times
2 Times
1 Sec.
1 Sec.
1 Time
1 Time
2 Sec.
Description
Outdoor Error
Ex) Error 21 (DC Peak)
MR36UY3J
LED 1
LED 2
(Red)
(Green)
2times ◑
1time ◑
2times ◑
2times ◑
2times ◑
3times ◑
2times ◑
4times ◑
2times ◑
6times ◑
2times ◑
7times ◑
2times ◑
9times ◑
3times ◑
2times ◑
4times ◑
4times ◑
1time ◑
4times ◑
3times ◑
4times ◑
4times ◑
4times ◑
5times ◑
4times ◑
6times ◑
4times ◑
8time ◑
5times ◑
1times ◑
5times ◑
3times ◑
6times ◑
6times ◑
1times ◑
6times ◑
2times ◑
6times ◑
5times ◑
6times ◑
7times ◑
Self-diagnosis Function
Indoor
status
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
0
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
0
OFF
OFF
OFF
OFF
OFF
Installation Manual 21

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Mr36uy3j

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