Carrier 38TDB Instrukcja Naprawy Pobierz pdf (Strona 3)

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2)

10-12-2006

User Interface generated Critical Malfunctions:

No communication with indoor unit

System Malfunction

Certain system events can result in the pop-up message “SYSTEM MALFUNCTION CALL TECHNICIAN”.

A system malfunction is an event that could be related to a failed component, or an event that may not

necessarily indicate an equipment problem. If this message clears on its own and the equipment operates

normally, it should be ignored. If it does not clear, or comes back repeatedly after being dismissed, the

system should be checked at the owner’s earliest convenience.

The user can press the right side button to dismiss the notice. The regular run mode screen will then

appear except “SYSTEM MALFUNCTION” will appear in place of the day/time. If the error has not

disappeared within 24 hours, the above display will return.

If the error code disappears, “SYSTEM MALFUNCTION” will disappear and the day/time will reappear.

This message may be generated from any of the communicating system components, and will be

displayed as shown in Figure 2. The following events may generate this message:

Fan Coil generated System Malfunction events:

Code 37 – Heater output sensed On when not energized (User interface will only display the pop-up

message, modifications to fan/staging operation will not occur)

Code 44 – Motor Communication Fault (version 10)

Code 41 – Blower Motor Fault (version 10)

Furnace generated System Malfunction events:

Code 13 – Limit Circuit Lockout

Code 14 – Ignition Lockout

Code 21 - Gas Heating Lockout

Code 22 - Abnormal Flame Proving Signal

Code 23 – Pressure Switch Did Not Open

Code 24 – Secondary Voltage Fuse Open

Code 33 – Limit Circuit Fault AND high heat only is active

Code 45 – Control Circuitry Lockout

Code 41 – Blower Motor Fault ((-A) models only)

2-Stage outdoor unit generated System Malfunction events (38TDB, YDB,

598B, 698B):

-VC VOLTAGE AT STANDBY (versions 8 and earlier)

-HI CAPACITY COMPRESSOR LOCKOUT (versions 8 and earlier)

FAN: AUTO

CALL TECHNICIAN

OUTSIDE: 94

SYSTEM MALFUNCTION

JOE'S HVAC SERVICE

(317) 555-1234

NOTICE >

DISMISS

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