Compressor 2 Current Value Error - Fujitsu Airstage V-II Service Manual

Trouble shooting 44
OUTDOOR UNIT Error Method:

Compressor 2 Current Value Error

Detective Actuators:
Current sensor 2 (for constant speed
compressor)
Forecast of Cause :
1. Compressor power supply system wiring disconnection, open (terminal to magnetic contactor
2. Current sensor 2 (current sensor for constant speed compressor) defective
3. Compressor 2 defective (lock, winding short)
Check Point 1 : Compressor power supply system (terminal to magnetic contactor
(for constant speed compressor) to constant speed compressor)
wiring connection state
Wiring connection state check
Cable open check
OK
Check Point 2 : Check the current sensor 2 (current sensor for constant speed compressor)
Current sensor 2 (current sensor for constant speed compressor) check
* For the characteristics of current sensor 2 (current sensor for constant speed compressor),
refer to the "Service Parts Information 7".
OK
Check Point 3 : Replace the compressor 2
Compressor 2 replacement
After fixing the problem and for canceling the Error, Error Reset (F3-40) will be required after power reset
Indicate or Display:
Outdoor Unit : E. 92. 2
Indoor Unit
Error Code
Detective details:
"Protection stop by "current sensor value
generated 2 times within 60 minutes
(for constant speed compressor) to constant speed compressor)
: Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
: 92
04-52
19.5A continued for 2 seconds''''