Placing The Unit Out Of Service Due To Breakdown; Fault Codes For The Air Conditioning Unit - York VCH 20A User Manual

C A U T I O N
• Always keep the electrical power supply connected to the unit.
• Only disconnect the unit if it is not to be used for a long period of time.
• When preparing for seasonal use, connect the unit to the electricity supply at least 8 hours before
starting it.

1.7.3 Placing the unit out of service due to breakdown

Should the air conditioning unit become faulty, the
auto-diagnostics system in the unit will identify the
source of the fault and will activate the indicator -1- on
the DPC-1 thermostat screen. The bottom left of the
screen will also display a two-digit figure -2- to indicate
the part affected.

1.7.4 Fault codes for the air conditioning unit

Code
11 / 21 / 31
12 / 22 / 32
13 / 23 / 33
14
15 / 25 / 35
41
42
43
44
45
46
91
92
93
94
95
96
97
98
99
Placing the unit out of service for a planned stoppage or breakdown.
Discharge temperature exceeded
High-pressure switch, outdoor fan thermal switch or compressor module ther‐
mal switch (depending on model)
Low pressure switch
Indoor fan thermal switch
Repeated cold start-up or suction temperature < ‑25 °C
Gas control 1 or resistor 1 fault
Gas control 2 or resistor 2 fault
Resistor stage 3 fault
Resistor stage 4 fault
Fault in economiser or hot water coil (outdoor supply, water return probe)
Smoke detector, high temperature, or supply temperature >80 ºC
Ambient probe open or short circuited
Internal probe not calibrated
Communication error
fault with AL terminal connected
S5 digital probe not detected
S6 digital probe not detected
S7 digital probe not detected
S8 digital probe not detected
Digital outdoor probe not detected
AUTO
AUTO
2
Description
User manual 1
1.7
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