Check code

Outdoor LED

 

 

 

Check and Action procedure

indication

 

 

(No specific description indicates outdoor unit parts.)

 

 

 

 

 

 

 

 

 

 

[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]

 

 

 

 

 

 

 

 

 

 

 

Check outdoor control board

 

 

 

 

 

 

If defective, replace it

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<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

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Image 94
Toshiba HWS-2101CSHM3-E(-UK) Communication failure between MCUs, Check outdoor control board If defective, replace it