Daikin LX10F11B Service Manual page 70

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103 F536 ・ F53B ・ F53C
E536
Alarm
Logic
E536： Detect offset error of current sensor at
&
Possible
starting
Causes
F536：E536 is generated 4 times.
F53B：Power module failure
E53C： Charging failure of main circuit capacitor at
starting
F53C：E53C is generated 4 times.
Trouble Replace Inverter board
Shooting
Controller F536, F53B, F53C
Action
E536
E53C
104 F53A
Alarm
Incorrect setting (Controller model)
Logic
Possible
Does not match controller model setting and compressor model
Causes
Trouble Check controller model setting according to Configuration Set (Item 2.3 *12).
Shooting
Model name
LX10F11B or later
LX10F15A
Controller
F53A Unit stops
Action
105 E526
Alarm Actual frequency is higher than command frequency from the controller continues for 5
Logic
seconds.
Possible Lightning surge sometimes shifts the detected rotation speed significantly, leading to abnormal
Causes
stop of the unit due to over current.
Trouble
Operation continues if the external factor.
Shooting
Controller
E526 Restart after 3 minutes
Action
E53C
Alarm Logic
Unit stop
Restart after 3 minutes (F536 at 4 times retry）
Restart after 3 minutes (F53C at 4 times retry）
Compressor model
JT80GSDNYR@S
JT80GJDNYR@S
2-42
Possible Causes
Inverter board failure
(Current sensor)
Inverter board failure (IGBT)
IGBT：Insulated gate Bipolar Transistor
Inverter board failure
（Capacitor short-circuited）
Controller model
DECOSVa
DECOSV