York Activa Series - Fault Codes for the Air Conditioning Unit

1.7.4 Fault codes for the air conditioning unit
Code Description
11 / 21 / 31 Discharge temperature exceeded
12 / 22 / 32
High-pressure switch, outdoor fan
thermal switch or compressor mod‐
ule thermal switch (depending on
model)
13 / 23 / 33 Low-pressure switch
14 Indoor fan thermal switch
15 / 25 / 35
Repeated cold start-up or suction
temperature < ‑25 °C
41 Gas control 1 or resistor 1 fault
42 Gas control 2 or resistor 2 fault
43 Resistor stage 3 fault
44 Resistor stage 4 fault
45
Fault in economiser or hot water
coil (outdoor supply, water return
sensor)
46
Smoke detector, high temperature,
or supply temperature >80 ºC
91
Ambient sensor open or short
circuited
92 Internal sensor not calibrated
93 Communication error
94 fault with AL terminal connected
95 S5 digital sensor not detected
96 S6 digital sensor not detected
97 S7 digital sensor not detected
98 S8 digital sensor not detected
99 Digital outdoor sensor not detected
N O T E
• Indicator 1 blinks if a fault code between 0 and 90 is displayed.
• Indicator 1 also blinks if fault code 93 is displayed.
1
User manual
1.7 Placing the unit out of service for a planned stoppage or breakdown.
10