Repair
Repair Price: $ 394.00
Purchase
CSL Part Number: 88108
Product Overview: The Texas Instruments 3612-310/A is a control board designed for HVAC applications, specifically used in York heat pumps and EVCON heating systems. It manages fan operation and multi-stage electric heating by switching relay outputs based on thermostat inputs. The board operates on 220V and uses 22VDC coil relays to control fan and heater circuits. Common applications include residential and light commercial heat pump systems requiring coordination between indoor fan operation and emergency or auxiliary electric heat stages.
Category: HVAC
Manufacturer: Texas Instruments
Manufacturer Synonyms: TI, Siemens
Manufacturer Part Number: 3612-310/A
Also Known As(AKA): York Heat Pump control board EVCON
Common Failures
Relays have been identified as a common point of failure in this model. Issues typically include defective or shorted relays that fail to activate or properly control connected components, such as fans and heaters. Other components like resistors can also degrade, leading to control failures. Additionally, external elements causing shorts have been noted as contributing factors.
Repair Approach
Repairs generally involve replacing defective relays and other components, such as resistors, to restore functionality. Connections, including solder joints and spade connectors, are often resoldered to ensure reliability. Preventative maintenance may include replacing additional components to address potential future failures. Additional repairs may include removing and applying conformal coating to address environmental damage.
Testing & Quality
Post-repair testing includes burn-in tests under load to verify relay operations and overall unit performance. Multiple levels of testing are performed to confirm that relay outputs are functional and responsive. Quality control checks are conducted throughout the repair process before the product is returned.
Repair your broken Texas Instruments part
We can repair your Texas Instruments model 3612-310/A .
Please note: our repair turnaround time may be longer than our standard lead times for this item.
Step 1 -
Click the green button above, "Repair Now," and add to your RMA.
Step 2 -
Print the RMA form that is emailed to you, and put it in a box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
You will be sent an authorization for repair via email. Your approval is needed before any work is started.
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