Fujitsu AUXB04GALH Service Manual page 112

Trouble shooting 34
OUTDOOR UNIT Error Method:
Outdoor Unit EEPROM Access Error
Detective Actuators:
Outdoor unit Main PCB
Forecast of Cause : 1. Noise, momentary open, voltage drop 2. Main PCB defective
Check Point 1-1 : Turn the power
on agaun.
Error displayed again?
YES
Check Point 2 : Replace Main PCB
Change Main PCB and set up the original address.
E. 62. 3
Indicate or Display:
Outdoor Unit : E. 62. 3
Indoor Unit
Error Code
Detective details:
Access to EEPROM failed due to some cause after outdoor unit started.
Check Point 1-2 : Noise, momentary open, voltage drop
NO
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the
power line.
04-42
: Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
: 62