Vanguard CT-3500 Bedienungsanleitung PDF herunterladen (Seite 23)

Model CT-3500 Operating Procedures

APPENDIX A

CT-3500 Troubleshooting Guide

Item Symptom Possible Problem Solution

1 CT-3500 will not

start timing.

1. No trigger voltage

detected.

2. Broken trigger lead.

1.Check trigger cable connection

to Trip and Close coil.

2. Inspect trigger cable cables.

2 CT-3500 displays

“Detect Standing

Voltage”.

1.There is standing voltage

across trigger input lead.

The CT-3500 expects a

voltage only when the

circuit breaker coil is

energized.

1. Check trigger-cable

connection to trip and close coil.

2. If there is standing voltage

across coil, check for lamp

(indicator) circuit.

3 Timing channels is

not working

correctly.

1. Bad contact cable

connection to breaker.

2. Missing common

connection on the breaker

bushing.

1 Check contact cable

connection to breaker.

2. Inspect contact leads.

3. Make sure the common side

(black lead) of contact bushing is

tied to ground.

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