Daikin LX10F11B User Manual

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106 E52C
Alarm
Logic
Inverter board temperature is over-heated (≧90℃ with 260 sec elapse or ≧99℃ with 5 sec
elapse)
Possible
Causes
①Ambient temperature is high（>50℃）
②Inverter board failure （fin temperature detection part）
③Inverter box is heat up due to less air circulation.
Trouble
Shooting
①External operating temperature of the unit is up to 50 ℃
Check cooling air for condenser coil is short circuit or condenser air restriction.
③ Clean the radiator fin installed on back side of inverter box and bottom of inverter box in order
to remove air restriction.
In case of the alarm is repeated after remove external factor ① and ③, replace inverter board.
E52C Restart after 3 minutes
107 E531
Alarm
Logic
Unbalanced power phase is supplied
Possible
Causes
Abnormal power supply
Trouble
Shooting
Regardless alarm is generated, restart after 3 minutes standby.
Operation continues if the external factor is improved.
E531 Restart after 3 minutes
108 E532
Alarm
Logic
Voltage in inverter becomes ≧DC790V or ≦DC320V due to power supply voltage≧AC530V or
≦AC300V.
Possible
Causes
①Power supply voltage is at high voltage (≧AC535V), or low voltage (≦AC300V).
②Inverter board failure (Voltage detection part)
Trouble
Shooting
①Check if the actual power voltage is within range (300V〜535V）.
＊ Provide the power supply within range if it is out of range.
Restart after 3 minutes standby.
Operation continues if the power supply condition is improved.
② If the power voltage is within range, it seems to be inverter board failure. Replace inverter
board.
Controller
Action
E532 Restart after 3 minutes
0219-44LX10F11BEn.indd2-430219-44LX10F11BEn.indd2-43 2014/11/1916:38:142014/11/1916:38:14
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Daikin LX10F11B Specifications

General

Brand	Daikin
Model	LX10F11B
Category	Inverter
Language	English