Service manual

22
3) Error Indications and Corrective Actions
Indication
(Timer display)
Error (failure) Corrective action
E0
P31, 32 connector out of position
Room temperature thermistor blowout
Check the P31, 32 connection.
Check the room temperature and humidity sensor
board.
E1
Room temperature thermistor short
Room temperature and humidity sensor board
failure
E7
P15 connector out of position
Tube temperature thermistor blowout
Check the P15 connection.
Check the tube temperature thermistor.
E8
Tube temperature thermistor short
Tube temperature sensor failure
A1
Microprocessor failure
RAM error
Replace the main board.
A2 Frequency determination error
Check the outlet and 220-240V power supply
(Replace the main and power/control board)
A6 Watch dog error
Main control board replacement
(Replace the main control board)
P4 Compressor malfunction
Check blowing performance.
Check the tube temperature thermistor.
Check the compressor operating noise.
4) Self diagnostic test program
(1) Deactivating 3-minute restart prevention lock
● Start Press the LAUNDRY switch and the DEHUMIDIFYING switch 3 times together when the power is
off. Turn on the power within 2 seconds.
● Functions
① Deactivates 3-minute restart prevention lock (immediate operation)
② Operation mode is set to dehumidifying high operation, cool air/warm air fan fi xed at rank 6 (max. air
fl o w )
③ When an E
2
PROM error is detected, the tank full and defrost LED are lit
④ Power off for 3 seconds, and the solenoid valve turn off
⑤ When the operation mode is changed, the fan rank is fi xed and the E
2
PROM error display is released
● End Turn the power off → The solenoid valve functions for approximately 3 seconds.
e01_mj_e15bx_S1-IT.indd 22 2010/06/10 17:30:15