What to do if Thermo King V-500 MAX-10 Control Unit is not cooling?
If your Thermo King Control Unit isn't cooling even when the box temperature exceeds the setpoint, first check the voltage on Pin 6 of C-9. If the issue persists, consider replacing the Cab Control Box.
How to troubleshoot a blank display on Thermo King Control Unit?
If the Thermo King Control Unit display is blank when you press the On/Off switch: 1. First, verify the voltage on Pin 3 of C-9 (or Pin 2 if the unit is in electric mode). 2. Second, check Fuse 4/1, located inside the Cab Control Box. 3. If the display remains blank, replace the Cab Control Box.
Why is the Thermo King V-500 MAX-10 Control Unit Operation LED off when cooling?
If the Unit Operation LED is OFF while your Thermo King Control Unit is cooling, begin by checking the voltage on Pin 7 of C-9. If the LED remains off, the next step is to replace the Cab Control Box.
General| Brand | Thermo King |
|---|---|
| Model | V-500 MAX-10 |
| Category | Control Unit |
| Language | English |
Outlines fundamental safety rules for operating and maintaining the unit, covering eye protection, electrical safety, and general handling.
Highlights risks associated with electrical systems, especially microprocessor components, and outlines ESD prevention.
Emphasizes extreme caution when working with high voltage, covering safe practices, tool usage, and emergency procedures.
Warns about the dangers of low voltage circuits, particularly the risk of severe burns from high current shorts.
Details fuse ratings, condenser fan motor specifications (voltage, RPM, current), evaporator fan motor specs, and coil electrical properties.
Lists refrigerant charge, defrost termination/cutout switch settings, and pressure parameters for R-134a and R-404A systems.
Provides details on main compressor types, electrical compressor, system oil capacity, oil type, refrigerant, and defrost method.
Provides step-by-step instructions for displaying temperatures, setting setpoints, and operating the defrost mode.
Details weekly pretrip inspections, unit starting procedures (engine/standby), after-start checks, loading, and post-load procedures.
Offers troubleshooting steps for common issues with the M-13 and M-16 in-cab control boxes, including blank displays and cooling problems.
Provides a detailed, step-by-step guide for charging the refrigeration system with refrigerant, including evacuation and leak testing.
Details the function and testing procedure for the HPCO switch, which protects the compressor from overpressure.
Explains the LPCO switch's role in preventing operation under low suction pressure and how to test it.
Provides comprehensive guidelines on compressor handling, storage, installation position, precautions, and mounting procedures.
Explains how to test, remove, inspect, and install the compressor clutch, including specific tools and steps.
Lists common conditions for electric standby operation failures and suggests possible causes and remedies for diagnosis.
Outlines specific checks for diagnosing issues with compressor operation and motor function in electric standby mode.
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