Johnston VT551 Maintenance Section page 94

FAULT SYMPTOM
Rear door will not open
Body will not tip
Chapter - Fault Diagnosis
14:8
BODY TIP
POSSIBLE CAUSE
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)
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
VT551 - Maintenance
Page Issue 01