Repair
Repair Price: $ 386.00
Purchase
CSL Part Number: 85332
Product Overview: The DRB TunnelWatch Relay Board (TW00150) is a control interface board used in car wash automation systems. It features four independently controlled SPDT relays (typically 10A to 15A at 12VDC) that switch external loads in response to manual toggle switches or automated signals via RS485 communication. The board includes onboard logic with a 20MHz crystal oscillator, an SP485 transceiver IC for network communication, fused outputs, and status LEDs indicating relay states. It is commonly found in DRB TunnelWatch car wash controllers where it manages functions such as chemical dispensing, water valves, motors, or other equipment requiring relay-switched power.
Category: Control Board
Manufacturer: DRB Systems
Manufacturer Synonyms: DRB Solutions Vontier
Manufacturer Part Number: TW00150
Series: TunnelWatch Car Wash
Also Known As(AKA): 001-5933E
Common Failures
Customers frequently report issues with non-functional or intermittent relays. Problems include relays not activating equipment correctly, relays remaining energized, and relays missing both normally open and normally closed contacts. Other common failures include missing or defective fuses and issues with oscillators not generating the correct frequency.
Repair Approach
The primary repair method involves diagnosing and replacing defective relays and other components such as capacitors and oscillators. Preventative maintenance may include replacing relays and capacitors to help reduce the likelihood of future failures. In some cases, repairs include resoldering connections or cleaning boards to help ensure optimal operation.
Testing & Quality
After replacement or repair, all units undergo testing to verify functionality. This includes relay operation tests, connection tests, and verifying that oscillators function at the required frequency. Testing is performed to help ensure that repaired units meet quality standards before returning to the customer.
Service and repair your broken DRB Systems part
We can repair your DRB Systems model TW00150 in our facility. Let our skilled technicians get your DRB Systems back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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