Daikin LX10F11B Service Manual page 49

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●Inverter F Alarm
Alarm
Diagnosis
code
101 F528 E528 (Compressor does not startup) is generated 5 times.
102 F52E E52E (Temporary compressor overcurrent ) is generated 4 times.
102 F52F E52F (Compressor current sensor failure) is generated 4 times.
103 F536 E536 (Current sensor offset error) is generated 4 times.
103 F538 Inverter board failure (Microcomputer I/O port logic judgment
failure when unit is on)
104 F53A Incorrect setting (Controller model)
102 F53B Inverter board failure (EEPROM fault when unit is on）
103 F53C E53C (Main circuit condenser recharging error) is generated 4 times. UNIT stops
101 F53D E53D (Compressor lock) is generated 4 times.
●Inverter E Alarm
Alarm
Diagnosis
code
101 E523 Compressor over current (>16.1A) is detected during operation.
101 E524 Compressor over current (>19A) is detected during operation.
101 E525 Actual frequency much lower than command frequency due to
compressor over load
105 E526 Actual frequency much higher than command frequency due to
external factors
101 E528 Compressor does not operate after startup.
106 E52C Inverter board temperature higher than 99 ℃
102 E52D Inverter board temperature abnormal (> 150 ℃ or < -45 ℃ is
detected.)
102 E52E Current is too high temporary during startup (over 51A)
102 E52F Compressor current sensor failure at startup
107 E531 Power supply voltage is unbalance
108 E532 Power supply voltage error (too high, too low at abnormally)
109 E533 Power supply voltage error (open phase)
103 E536 Current sensor offset fault when compressor starts
103 E53C Main circuit charge failure when compressor starts
101 E53D Compressor lock when compressor starts
110 E542 Cooling fan lock during operation (LX10F15A only)
111 E5FF A communication error between CPU board (EC1) and Inverter
board (EC8)
Alarm content
Alarm content
2-21
Controller action
UNIT stops
UNIT stops
UNIT stops
UNIT stops
UNIT stops
UNIT stops
UNIT stops
UNIT stops
Controller action
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Restart after 3 min.
Alarm display only
Restart after 3 min.