Quinton ST 55 Service Manual page 20

Troubleshooting
ERROR CODE FLOW CHART: E203
E203
Error
Overcurrent
Restri c t u s e to
speed envelope.
No
obstructions in disconnected
motor pulleys
CAUTION!
Disconnect
power and wait
for high voltage
indicator to go
resistance
between motor
leads.
Replace motor.
r-7
Motor Overcurrent