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J
James EvansAug 18, 2025
What to do if my Carrier Air Conditioner shows high voltage?
- JjessicahoustonAug 18, 2025
If the battery voltage is higher than 32 volts, it indicates high voltage. You should check, repair, or replace the alternator.
What to do if my Carrier Air Conditioner shows high voltage?
If the battery voltage is higher than 32 volts, it indicates high voltage. You should check, repair, or replace the alternator.
How to fix a Carrier Air Conditioner breaker trip alarm?
If a breaker on the relay board has tripped or a fan relay has failed, it can cause a breaker trip alarm. Check the breakers to see if any have tripped. Repair any shorts and then reset the breaker.
What causes low voltage in a Carrier Air Conditioner?
If the battery voltage is less than 17 volts, it means there is low voltage. Check, repair, or replace the wiring or alternator.
How to troubleshoot a Carrier GR-60 Air Conditioner motor failure?
A brushless motor may not have reached full operating speed or the motor has failed. Replace the motor or correct the pressure shutdown.
What to do if the Carrier GR-60 Air Conditioner evaporator fan is overloaded?
The evaporator fan overload jumper is open. Ensure the connector is plugged in or repair the wiring.
How to fix a Carrier Air Conditioner condenser fan overload?
The condenser fan overload jumper is open. Ensure the connector is plugged in or repair the wiring.
What does Maintenance Alarm 1 mean on my Carrier GR-60?
The compressor hour meter is greater than the value in Maintenance Hour Meter 1. Reset the maintenance hour meter.
What does Maintenance Alarm 2 mean on my Carrier GR-60 Air Conditioner?
The evaporator hour meter is greater than the value in Maintenance Hour Meter 2. Reset the maintenance hour meter.
What causes a Return Air Probe Failure in Carrier GR-60 Air Conditioner?
The return air temperature sensor has failed, or the wiring is defective. Ensure all connectors are plugged in, and then check the sensor resistance or wiring. Replace the sensor or repair the wiring.
How to troubleshoot a Suction Pressure Transducer Failure in Carrier GR-60?
The suction pressure transducer has failed or the wiring is defective. Ensure all connectors are plugged in, and then check the sensor voltage or wiring. Replace the sensor or repair the wiring.
General| Brand | Carrier |
|---|---|
| Model | GR-60 |
| Category | Air Conditioner |
| Language | English |
General safety notices supplementing specific warnings and cautions.
Immediate action for injuries.
Safety measures during operation.
Safety measures during maintenance.
Specific warnings and cautions for system operation.
Overview of the manual and GR systems.
Description of the compressor assembly and its function.
Overview of system controls and components.
Specifications for refrigerant charge.
Specifications for compressor unit models.
Details on high and low pressure switches.
Relay board description for Option 1.
Relay board description for Option 2.
Instructions for starting, stopping, and operating the system.
System self-test and error checking.
Pre-trip inspection checklist.
Description of the system's operating modes.
Explanation of the cooling mode operation.
Explanation of the heating mode operation.
Control of compressor unloaders for capacity.
Control of the compressor clutch.
Diagnostics via the Micromate.
Logic board self-diagnostic tests.
Information on system alarms.
General troubleshooting procedures.
Troubleshooting for system not cooling.
Troubleshooting for insufficient cooling.
Troubleshooting for abnormal system pressures.
Troubleshooting for noise and vibrations.
Troubleshooting for control system issues.
Troubleshooting for airflow problems.
Troubleshooting for expansion valve issues.
Troubleshooting for heating system issues.
Schedule for daily, weekly, and monthly maintenance.
Procedures for system pump down.
General procedures for evacuation and dehydration.
Procedures for adding refrigerant.
Maintenance of the compressor.
