Fujitsu AUXB04GALH Service Manual page 114

Trouble shooting 36
OUTDOOR UNIT Error Method:
EEPROM Data corrupted 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 again.
Error generated again after Field setting all clear (push button SW F3
(function mode) -35 execution) and the power was turned back on?
YES
Check Point 2 : Replace Main PCB
Change Main PCB and set up the original address.
Indicate or Display:
E. 62. 8
Outdoor Unit : E. 62. 8
Indoor Unit
Error Code
Detective details:
Set contents sum value memorized in EEPROM and sum value calculated
based on the set contents read from EEPROM do not match
Regarding the sum value, only the contents set in the push button SW
*
setting mode (F2) shall be the objective.
Check Point 1-2 : Noise, momentary open, voltage drop
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.
Reset the setting of F2 (setting mode) by push button SW.
* To clear the setting of F2 by Field setting all clear.
: Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
: 62
NO
04-44