True 831939 Timer, Defrost Clock

True 831939 Defrost Timer

The True 831939 is identified as timer, defrost clock. This component coordinates the defrost cycle in the specified refrigeration control circuit. Match the manufacturer reference to the equipment documentation so the replacement addresses the correct assembly and operating application.

Verified part identification and specifications

Commercial application and model references

Documented equipment model references include TAC48-TRUE. Confirm the exact model suffix, serial range and component revision before ordering.

Symptoms and technician checks

Inspect this component when the equipment shows missing defrost cycles, irregular cycling or a timer that fails to advance. Check timer supply, terminal identification, control wiring and the existing defrost settings before attributing the fault to this part. These symptoms guide diagnosis; they do not establish that replacement is necessary.

A defrost problem may originate at the heater, termination control or wiring. Establish whether the timer is switching correctly before ordering a replacement.

Before you order

Use manufacturer reference 831939 and compare the item identification above with the removed part. Check the model and serial label, the corresponding parts diagram and any revision or serial break. Confirm the component supplied rather than assuming related brackets, wiring or accessories are included.

Frequently asked questions

What is True 831939?

It is identified as timer, defrost clock. It coordinates the defrost cycle in the specified refrigeration control circuit.

Which models are referenced for 831939?

Documented equipment model references include TAC48-TRUE. Confirm the exact model suffix, serial range and component revision before ordering.

What specifications distinguish 831939?

Documented catalog weight: 0.14 lb.

Will a timer with the same number of terminals work?

Terminal count alone is insufficient. Verify supply voltage, contact arrangement, cycle behavior and the manufacturer part reference.

What should be checked before replacing 831939?

Check timer supply, terminal identification, control wiring and the existing defrost settings. A defrost problem may originate at the heater, termination control or wiring. Establish whether the timer is switching correctly before ordering a replacement.

What information should I provide to confirm 831939?

Provide the equipment model and serial number, the number on the removed component and a clear photograph of its connections or mounting. Ask for confirmation of True 831939 against the equipment diagram.

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