Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 85

Error code
Remote control: WAIT
1. Applicable model
Models FDC100VN(S)X-W,
100VN(S)A-W
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Faulty indoor unit control PCB
• Defective remote control
• Broken remote control wire
• Faulty outdoor unit control PCB
• Broken connection wires
Note:
RUN light TIMER light
Indoor
display
– –
Green LED Red LED
Outdoor unit
control PCB
Keeps flashing 2-time flash
5. Troubleshooting
Diagnosis
" WAIT " is still displayed on the
remote control LED 2 minutes after
power ON.
YES
Is the outdoor
unit control green LED
flashing?
YES
Is the outdoor unit
control red LED flashing
twice?
YES
Are wires
connected properly between indoor/
outdoor units?
YES
Is approx.
DC20V detected between - on
the outdoor unit terminal
block?
YES
Is approx.
DC20V detected between - on
the indoor unit terminal
block?
84
-
Communication error at
Content
initial operation (1/3)
(Models FDC100VN(S)X-W,100VN(S)A-W only)
To next page
NO
NO
NO
NO
NO
YES
-
'22 • PAC-SM-422
Countermeasure
Defective indoor unit control PCB➞
Replace.
Defective remote control➞Replace.
Broken remote control wire X or Y➞
Replace.
Correct connection wires
between indoor and
outdoor units.
Defective outdoor unit
control PCB➞Replace.
Defective connection wire
(Broken)
Noise
Defective indoor unit control
PCB➞Replace.