Carrier Supra 650 Operations Instructions download pdf (Page 19)

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9. PROBLEMS

Everything possible has been done to ensure that your unit is the most reliable, trouble-free equipment

available on the market today. If, however, you run into problems, the following section may be of

assistance.

If you do not find the trouble that you have experienced listed below, please call your Carrier

Transicold dealer for assistance.

General problems

Unit won't crank, by the starter

Check battery condition

Check battery connection

Check all fuses

Unit won't start

Check fuel level

Check all fuses

Unit won't run

Check fuel level

Check engine oil level

Check all fuses

Unit dies

Check belts

Check engine oil level

Check coolant level

Check fuel level

Check all fuses

Unit not cooling properly

Defrost unit

Check evaporator for airflow restriction

Check condenser for airflow restriction

Check body for damage or air leaks

9.1. Fuses location

Refer to the electrical schematic provided with the unit.

If a fuse has blown, AL15 FUSE BAD will be displayed. Please contact your Carrier Service Center.

9.2. Fault alarm display and safety features

Display will alternate between an alarm message and the normal display whenever any of the failures

listed below occur.

NOTE : Whenever the fault light is on, check display for fault message.

1. - Reset the micro to start the unit by moving the RUN/STOP switch (4.) to STOP (O) then to RUN

(I).

2. - Press FUNCTION CHANGE key (3.).

3. - Press the UP/DOWN ARROW keys (2.) until ALARM RST is displayed.

4. - Press the ENTER key (17.) to clear alarm. Alarm CLR will now be displayed and unit will restart.

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Carrier Supra 650 Operations Instructions Page 19