Rn1000/Rn1400 Troubleshooting; Indicator Light Operation - Manitowoc RF0244A Technician's Handbook

RN1000/RN1400 Troubleshooting

NOTE: Refer to "RN1000/RN1400" on page 36 for
normal sequence of operation

INDICATOR LIGHT OPERATION

The lights on the control board can be used as quick
failure mode indicators. If the failure mode isn't
obvious from the light indicators, use the flowchart to
systematically eliminate issues.
NOTE: Each relay on the control board has a light
adjacent to the relay to indicate the relay coil has
power.
Indicator light legend
ON
1. Normal light operation, No Ice
• Defective compressor or start component
• Defective contactor
• Defective control board relay
2. CPU light does not flash
• Defective control board
Part Number 000007661 6/13
OFF ON or OFF FLASHING
133