Daikin R35JV1A - Page 139

Troubleshooting Si10-417
138 Service Diagnosis
5.3.7 Low-voltage Detection
Remote
Controller
Display
U2
Outdoor
Unit LED
Display
A
5
1
4
2
1
3
1
4
4
Method of
Malfunction
Detection
An abnormal voltage rise or drop is detected by checking
the detection circuit or DC voltage detection circuit.
Malfunction
Decision
Conditions

An over-voltage signal is fed from the over-voltage
detection circuit to the microcomputer, or the voltage
being detected by the DC voltage detection circuit is
judged to be below 150 V for 0.1 second.

The system will be shut down if the error occurs 16
times.

Clearing condition: Continuous run for about 60
minutes (normal)
Supposed
Causes

Supply voltage not as specified

Over-voltage detector or DC voltage detection circuit
defective

PAM control part(s) defective
Si10-417.fm Page 138 Wednesday, September 22, 2004 6:38 PM