York 076-090 Technical Information download pdf (Page 25)

Discharge temperature surpassed or probe short

circuited

High pressure switch, outdoor fan thermal switch or com-

pressor module thermal switch

Low pressure switch

Indoor fan thermal switch

Repeated star-ups in cool or suction temperature <-25ºC

6 Low liquid temperature <-30ºC

Flashes Meaning

detected and not reset is indicated.

The following table shows the possible failures:

Reset

The incidents, with a few exceptions, do not need to be reset.

They reset automatically once the cause has disappeared.

The following incidents require resetting, and are reset in the

same way as the alarms:

a) Accessory disappeared.

b) Repeated defrost cycles (also reset if a defrost cycle ends

under normal conditions)

c) Electric heating thermal switch.

The alarms can be reset as follows:

1) Setting the thermostat to OFF, if communication with the

thermostat has been implemented.

2) Pressing the reset button on the electronic board.

3) Disconnecting and reconnecting power supply to the elec-

tronic board.

4) By means of the communications trunk.

It is worth pointing out that, with a reset by means of setting

the thermostat to OFF, the board cannot be reset more than 3

times a day.

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York 076-090 Technical Information Page 25