Table 14ÐHardware Failure Errors

Error Display (Dial Position T4) must be turned on.

HF ERROR CODE

DESCRIPTION

 

SOLUTION

40

 

Bad sensor, shorted or open.

Zone 1 Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

41

 

Bad sensor, shorted or open.

Zone 2 Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

42

 

Bad sensor, shorted or open.

Zone 3 Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

43

 

Bad sensor, shorted or open.

Zone 4 Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

44

 

Bad sensor, shorted or open.

Duct Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

45

 

Bad sensor, shorted or open.

Outside Air Temperature Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = -30°Ð120°F.

46

 

Bad sensor, shorted or open.

Dx Coil Sensor

1. Check wiring and sensor.

 

 

2.

Replace failed sensor, if necessary. Valid temperature range = 30°Ð180°F.

47

 

Controller can not communicate on bus.

Bus Access Error

1. Check 3-wire bus between controller and comfort zone center.

 

 

2.

Replace faulty controller/center boards, if necessary

 

 

Cannot communicate with zone 2 smart sensor.

48

 

1.

Turn toggle 13 off if there is no smart sensor attached to zone 2.

Zone 2 Smart Sensor

2. Check wiring between sensor and comfort center.

 

 

3.

Verify correct address.

 

 

4.

Must be addressed 1 less than 4 zone controller's address.

 

 

Cannot communicate with zone 3 smart sensor.

49

 

1.

Turn toggle 14 off if there is no smart sensor attached to zone 3.

Zone 3 Smart Sensor

2. Check wiring between sensor and comfort center.

 

 

3.

Verify correct address.

 

 

4.

Must be addressed 2 less than 4 zone controller's address.

 

 

Cannot communicate with zone 4 smart sensor.

50

 

1.

Turn toggle 15 off if there is no smart sensor attached to zone 4.

Zone 4 Smart Sensor

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.

 

 

 

 

21

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Carrier ZONEKIT4ZCAR instruction manual HF Error Code Description Solution
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ZONEKIT4ZCAR specifications

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