Carrier ZONEKIT4ZCAR Air Conditioner User Manual


 
Table 14—Hardware Failure Errors
Error Display (Dial Position T4) must be turned on.
HF ERROR CODE DESCRIPTION SOLUTION
40 Zone 1 Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
41 Zone 2 Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
42 Zone 3 Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
43 Zone 4 Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
44 Duct Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
45 Outside Air Temperature Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = -30°—120°F.
46 Dx Coil Sensor
Bad sensor, shorted or open.
1. Check wiring and sensor.
2. Replace failed sensor, if necessary. Valid temperature range = 30°—180°F.
47 Bus Access Error
Controller can not communicate on bus.
1. Check 3-wire bus between controller and comfort zone center.
2. Replace faulty controller/center boards, if necessary
48 Zone 2 Smart Sensor
Cannot communicate with zone 2 smart sensor.
1. Turn toggle 13 off if there is no smart sensor attached to zone 2.
2. Check wiring between sensor and comfort center.
3. Verify correct address.
4. Must be addressed 1 less than 4 zone controller’s address.
49 Zone 3 Smart Sensor
Cannot communicate with zone 3 smart sensor.
1. Turn toggle 14 off if there is no smart sensor attached to zone 3.
2. Check wiring between sensor and comfort center.
3. Verify correct address.
4. Must be addressed 2 less than 4 zone controller’s address.
50 Zone 4 Smart Sensor
Cannot communicate with zone 4 smart sensor.
1. Turn toggle 15 off if there is no smart sensor attached to zone 4.
2. Check wiring between sensor and comfort center.
3. Verify correct address.
4. Must be addressed 3 less than 4 zone controller’s address.
51 Clock Not Ready No correction possible.
52 Parker Custom Chip Not Ready No correction possible. Fatal error.
53 Non-Volatile RAM Not Ready No correction possible. Fatal error.
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