Page Issue 01Chapter - Fault Diagnosis14:8
VT551 - Maintenance
BODY TIP
FAULT SYMPTOM POSSIBLE CAUSE
Rear door will not open 1. Check handbrake is on and earth at plug PC1A pin 2
2. Check master switch V is illuminated
3. Check green safety run button is pressed on pendant unit
4. Check pendant unit has not become unplugged
5. Check feed to solenoids DA (door open) and DB (door close)
Body will not tip 1. Ensure handbrake is on and feed at plug PC1A pin 2
2. Ensure master switch V is on (illuminated)
3. Check feed to solenoids/Plug LED valve BB (raise) and BA (lower)
4. Check green safety run button is pressed on pendant unit
5. Check pendant unit has not become unplugged
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