7 TROUBLE SHOOTING
When a trouble occurred in the air conditioner, the
check code and the indoor unit No. appear on the
display part of the remote controller.
The check code is only displayed during the
operation.
If the display disappears, operate the air conditioner
according to the following “Confirmation of error
history” for confirmation.
Confirmation of error history
When a trouble occurred on the air conditioner, the
trouble can be confirmed with the following
procedure. (The trouble history is stored up to 4
troubles.)
The history can be confirmed from both operating
status and stop status.
When pushing and buttons at the same time
for 4 seconds or more, the following display
appears.
If [
service check] is displayed, the mode enters in
the trouble history mode.
• [01: Order of trouble history] is displayed in CODE
No. window.
• [Check code] is displayed in CHECK window.
• [Indoor unit address in which an error occurred] is
displayed in Unit No.
Procedure 2
Every pushing of “TEMP.”
button used to
set temperature, the trouble history stored in
memory is displayed in order.
The numbers in CODE No. indicate CODE No. [01]
(latest) → [04] (oldest).
REQUIREMENT
Do not push button because all of trouble history
of the indoor unit will be deleted.
Procedure 3
After confirmation, push
button to return to the
usual display.
▼ Common Check Codes
L09
Indoor unit Power Code incorrect
Check the settings of DN Code 11 (see “DX Interface Configuration”).
L30
Fan Motor operation monitor
Check the operation monitoring of the fan at terminals 12 / 13. If this contact is “CLOSED”, the error
message “L30” is generated.
P10
Check the contact at terminals 14 / 15. If the contact is “OPEN”, the error message “P10” is generated. If
this contact is not used, a bridge connection should be installed on the terminals 14 / 15.
Check code Indoor unit No. in which
an error occured
To Next Page
Loading...
