Panasonic 2WAY Multi - P30 Group Controls Sub Unit Error (* Warning Displayed Only on System Controller

IV–104
P30 Group Control’s Sub Unit Error (* warning displayed only on system controller)

Error detection method
When an error occurs on a group control sub unit (for all abnormalities), the system controller displays P30.

Troubleshooting
11-1Confi rm error details using one of the following methods.

Check warning display on wired remote controller.

Check warning history in system controller servicing check mode.
1-2 Troubleshoot the warning found in 1-1.
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6
● 1-1
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System controller service check mode (warning history)
Indoor unit/outdoor unit warning history monitoring mode (also clears warning history)

Press the
Inspect
icon and
Set
button continuously for 4 seconds or more.

Service Check lights, and the item code “

” lights.

When the group number is selected (when [1] is fl ashing), when any warning history exists, the newest
warning history is displayed alternately with the unit number.
* Temperature settings are not available.
System
Indoor
Unit No.
Unit No. Display
Displayed alternately
Inspection
Alarm Display

To check older warning history, press the temperature setting
▲
button or
▼
button, and select the
item code (01~04).

To check warnings for other groups, press the Switch Group
▲
button or
▲
button, and select the
group number.

To clear the warnings, press the
cancel
button.
(This deletes the entire warning history for the currently selected group.)

To end the servicing check, press the
Inspect
button.
GHPtroubleshooting.indbIV‒104GHPtroubleshooting.indbIV‒104 2012/11/2611:20:162012/11/2611:20:16