Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 89

Error code
Remote control: WAIT
1. Applicable model
Model FDC200VSA-W
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Faulty noise filter
• Faulty indoor unit control
PCB
• Faulty outdoor unit control
PCB
• Faulty inverter PCB
• Faulty fan motor
Note:
RUN light TIMER light
Indoor
display
– –
Green LED Red LED
Outdoor unit
control PCB
Keeps flashing 2-time flash
5. Troubleshooting
Diagnosis
Diagnosis for when the outdoor unit
control PCB LED is turned off
From previous
Shut down the breaker and back on
page
again the breaker 3 minutes later.
NO
Does it reset normally?
Is AC380/415V
detected at the noise filter
secondary side?
YES
Is DC280/373V detected at CNA2?
YES
Is fuse
〔250V, 2A〕 on the outdoor unit control
PCB blown?
NO
Is DC5V
detected on the outdoor unit control PCB (Between
- of CNV)?
YES
Is DC5V detected
if the connector of outdoor fan motor
is disconnected?
YES
Is DC5V detected
if the inverter power source connector (CNI2)
is disconnected?
88
-
Communication error at
Content
initial operation (2/2)
(Model FDC200VSA-W only)
YES
NO
NO
YES
NO
NO
NO
YES
-
'22 • PAC-SM-422
Countermeasure
Normal (Malfunction by
noise)
Replace noise filter.
Check connection of diode
stack and electrolytic
capacitor by refering main
electrical circuit diagram.
Defective outdoor unit
control PCB➞Replace.
Defective outdoor unit
control PCB➞Replace.
Defective outdoor fan
motor
Defective inverter PCB
➞Replace.
Defective outdoor unit
control PCB➞Replace.