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[L29] * Any of the following abnormality may occur.
Seeing the LED on the outdoor board can determine which abnormality occurs.
Communication failure between MCUs, Heat sink temperature sensor (TH) failure, EEPROM
failure, Model not specified, Heat sink overheat failure, gas leakage detection, 4-way valve
invert failure
<Indication 1> <Indication 2>
[Communication failure between MCUs]
<Indication 1> <Indication 2>
[Heat sink temperature sensor (TH) failure] → See [F13] details
<Indication 1> <Indication 2>
[EEPROM failure] → See [F31] details
<Indication 1> <Indication 2>
[Model not set] → See [L10] details
<Indication 1> <Indication 2>
[Heat sink overheat failure] → See [P07] details
<Indication 1> <Indication 2>
[Gas leakage failure] → See [P15] details
<Indication 1> <Indication 2>
[4-way valve invert failure] → See [P19] details
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
Check outdoor control board
If defective, replace it
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 93 Monday, October 5, 2009 2:09 PM