Compression therapy systems

Compression Therapy Concepts VP 500: troubleshooting and error codes

The ServiceForge knowledge base holds 3 documented symptoms for the Compression Therapy Concepts VP 500, with 12 ranked causes, 12 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Low pressure light and/or audible alarm activates patient safety

Low pressure indicator LED illuminates and/or audible alarm sounds during operation; indicates insufficient pressure at garment or system failure

Ranked causes

1. Loose or disconnected air tubing connections (common)
2. Defective garment (occasional)
3. Bellows/pressure control failure (occasional)
4. Timing motor malfunction (occasional)
5. Microswitch failure (occasional)

First check

Verify all tube connections secure

Test point: Air tubing from pump to garment
Expected: All connections seated firmly; no leaks or disconnections

4 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pump functioning but no air output

Pump runs but produces no pressurized air at outlet ports despite motor and compressor operation

Ranked causes

1. Bellows/diaphragm failure in compressor (occasional)
2. Internal air tubing loose or disconnected (common)
3. Compressor coil failure (rare)
4. Timing motor malfunction (occasional)

First check

Verify all tube connections

Test point: Internal air tubing and compressor outlet
Expected: All tubes seated firmly and not obstructed

3 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pump not functioning

Pump fails to operate; no motor activation or compressor action

Ranked causes

1. Unit not plugged in or power cord defective (common)
2. PC board malfunction (occasional)
3. Fuses loose or burnt out (common)

First check

Verify power connection

Test point: Power plug and outlet
Expected: Plug inserted firmly into working outlet

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.