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SiBE12-816_D
Troubleshooting for Outdoor Unit
Service Diagnosis
260
7.18 Unspecified Voltage (between Indoor Unit and Outdoor
Unit) / Anti-icing control in Other Room
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
Anti-icing control in other room
Unspecified internal and/or external voltages
Mismatching of indoor and outdoor units
Supposed
Causes
Anti-icing control in other room
Wrong models interconnected
Wrong indoor unit PCB or outdoor unit PCB mounted
Troubleshooting
Note:
Refer to “Anti-icing control for indoor unit” on page 235 for detail.
(R7151)
Caution
NO
YES
NO
YES
NO
YES
Check the model combination.
Check the combination of all the
models being connected.
Error displayed while
operating?
Supply voltage as
specified?
Matched compatibly?
The anti-icing function is
activated in other rooms.
Refer to
A5
.
Correct.
Match the compatible models.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание 2MKS40G2V1B
Страница 12: ...SiBE12 816_D 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 5 ...
Страница 180: ...SA Indoor Unit FFQ Series SiBE12 816_D 169 Operation Manual 2 Start 5s 5s 5s 5s 5s End ...
Страница 290: ...Outdoor Unit SiBE12 816_D 279 Removal Procedure 15 Lift and remove the electrical box Step Procedure Points R12537 ...