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CORRECTIVE ACTION PROCEDURES – Belt Drive Issues

Belt Drive Issue

Start PWM max test (firmware setup

screens), wait 20 seconds

Check PWM LED on interface PCB

N

PWM LED illuminated

Y

Perform steps in order listed until problem resolved.

.Ensure belt and drive is able to turn freely and are properly mechanically connected.

.Check all electrical connections

.Verify reliance drive settings

.Replace ribbon cable with a known good cable

.Replace interface PCB with a known good PCB

.Replace console PCB with a known good PCB

Perform steps in order listed until problem resolved.

1. .Replace ribbon cable with known good ribbon cable.

2. .Replace interface PCB with known good interface PCB.

3. .Replace console PCB with a known good console PCB.

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Miele T9800HRT service manual Corrective Action Procedures Belt Drive Issues