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Troubleshooting
SiBE12-519
168
Service Diagnosis
4.22
Anti-icing Function in Other Rooms / Unspecified
Voltage (between Indoor and Outdoor Units)
Remote
Controller
Display
UA,UH
Method of
Malfunction
Detection
A wrong connection is detected by checking the combination of indoor and outdoor units on the
microcomputer.
Malfunction
Decision
Conditions
Operation halt due to the anti-icing function in other rooms
Operation halt due to unspecified voltage between indoor and outdoor units
Supposed
Causes
Operation halt due to the anti-icing function in other rooms
Wrong connections at the indoor unit
PCB wrongly connected
Troubleshooting
Check the model number.
The anti-icing function is
activated in other rooms.
Refer to A5.
Correct.
Reconnect.
(R3045)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Error-displaying
air-conditioner running?
NO
YES
Normal?
Supply voltage
as specified?
NO
YES
NO
YES
Check the combination of all the
models being connected.
Summary of Contents for 2MKS40DVMB
Page 10: ...SiBE12 519 List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Page 15: ...Heat Pump SiBE12 519 6 List of Functions ...
Page 29: ...Heat Pump SiBE12 519 20 Specifications ...
Page 135: ...Instruction SiBE12 519 126 System Configuration ...
Page 211: ...Outdoor Unit SiBE12 519 202 Removal Procedure ...