Repair
Repair Price: $ 688.00
Purchase
CSL Part Number: 88315
Product Overview: The VER-MAC VMC-PST4L120 PF is a solar-powered control box designed for arrowboard traffic safety systems. It manages LED arrow displays used in construction zones and work areas to direct traffic flow. The unit features a 12V input with overvoltage protection via TVS diode, photocell input for automatic dimming based on ambient light, multiple output channels for arrow pattern control, and battery charging capability. It connects to arrow displays through a 9-position terminal block and includes switching circuits to generate various arrow sequences and flash patterns for traffic management applications.
Category: Arrow Signal Controls
Manufacturer: VER-MAC
Manufacturer Part Number: VMC-PST4L120 PF
Common Failures
Frequent issues include blinking indicators on power-up, units blowing fuses, no board lights, solid board lights, and corrosion. Common defective components causing these symptoms are electrolytic capacitors and TVS diodes. Some failures are attributed to battery overvoltage leading to blown diodes.
Repair Approach
Repairs often involve replacing defective diodes and capacitors, addressing missing or corroded screws, and repairing damaged traces. Preventative maintenance may include replacing electrolytic capacitors. Riveting and modifying terminal blocks, alongside the use of UV solder masks, may be part of the mechanical repair process.
Testing & Quality
Repaired units undergo burn-in testing with load and multi-level testing to verify functionality. Successful repairs pass output and input tests. Some units may be deemed Beyond Economic Repair when critical components are unavailable or damage is irreparable.
Service and repair your broken VER-MAC part
We can repair your VER-MAC model VMC-PST4L120 PF in our facility. Let our skilled technicians get your VER-MAC 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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