Damper System Error (Alarm) - Daikin VAM 150FAVE Service Manual

SiE71-202
1.6

Damper System Error (Alarm)

Remote Controller
Error Code
LCD Display
LED Indication
Remote Controller
Error Detection
Measurement of damper motor limit ON/OFF time.
Method
Error Generating
Conditions
Possible Causes
Troubleshooting
Note: Note 1:
Troubleshooting
6A
—
Inspection
4
Main Unit
When damper motor limit switch 1 (or 2) remains ON (or OFF) for more than a certain time duration
after ventilation mode is changed.
When damper motor limit switch 1 (or 2) repeats ON/OFF operations after damper motor 1 (or 2) stops.
Faulty damper motor or limit switch
Broken wire in cable
Faulty contact in connector (including relay connector)
Faulty control PCB assembly
Is
relay
connector of
damper motor unit
connected?
YES
Check connectors
(X3A or X4A) (X5A or
X6A) on PCB assembly
of damper motor unit.
Are connectors
connected?
YES
Is
damper
motor unit
operating
normally?
Note 1
YES
Place tester probes on connectors of limit switch. Move switch by hand and check continuity. If tester
indicates 0Ω when limit switch turns on, and infinity when it turns off, limit switch is normal.
Place tester probes on connectors of damper motor and check resistance. If tester indicates approx. 17
kΩ in 200-V model, damper motor is normal.
5
Unit No.
5
NO
NO
NO
Check resistance and voltage
Troubleshooting
Connect relay connector.
Connect connectors.
Replace damper motor unit.
Replace control PCB assembly.
(HF005)
(HL029)
39