Carrier PC6000 Service Manual download pdf (Page 39)

62-11175 COMFORTPRO SERVICE MANUAL

3-11

3.5 CCU FAN

SYMPTOM PROBABLE CAUSE SOLUTION REFERENCE

CCU fan not working • Fuse on CCU Board • Check/replace • A-4

• Wiring defective • Repair/replace

• Capacitor defective • Test/replace

CCU fan only works on • Low speed resistor defective • Check/replace heating element • A-2

high speed

• Resistor wiring defective • Repair/replace • A-2

• CCU Board defective • Test/replace

3.6 CCU HEAT

SYMPTOM PROBABLE CAUSE SOLUTION REFERENCE

High Heat Mode does • Heat is not on (heat icon must be on) • Turn temperature setting up • 1- 6, 1- 9

not produce warm air

• Thermo fuse blown • Check/replace thermal fuse • A-2

• CCU Board defective • Replace

Low Heat Mode does • Heat is not on (heat icon must be on) • Turn temperature setting up • 1- 6, 1- 9

not produce warm air

• Thermo fuse blown • Check/replace thermal fuse • A-2

• CCU Board defective • Replace

Produces warm air and • Set point has been reached • Turn set point up • 1- 6, 1- 9

gradually stops

• High temperature cut out due to • Increase air flow/Increase return air

insufficient air flow

High temperature • High temperature cut out due to • Increase air flow, increase return air

sensor tripping insufficient air flow

• Temperature sensor wiring damaged • Repair/replace

• Temperature sensor defective • Verify sensor operation by using

Temperature vs. Resistance Chart • A-11

• Ducting blocked • Check and remove any blockage

Heat works OK, but • Driver Control Panel too close to duct • Remount away from ducts • 1- 1

short cycles

• Driver Control Panel temp sensor • Verify sensor operation by using

defective Temperature vs. Resistance Chart

Heat operates long or • Driver Control Panel temp sensor • Verify sensor operation by using

continuously defective Temperature vs. Resistance Chart • A-11

• Sleeper has an excessive heat loss • Cover windows, close sleeper curtains

• Sleeper has poor insulation • Insulate sleeper

• CCU air filter dirty • Clean/replace CCU filter • A-3

WARNING

Disconnect the batteries from the APU before

performing any repairs.

WARNING

Disconnect the batteries from the APU before

performing any repairs.

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Comments to this Manuals

Wallace tainter 11 Oct 2024 | 18:04:29

Pc6000 do you know what model mine would be is there more than one model

Carrier PC6000 Service Manual Page 39

Comments to this Manuals