Orion RKS250F-S Operation Manual page 30

● If the product behaves abnormally, switch it off and then cut the power. Then contact your
dealer or product specialist. Continuing to run the product while operation is abnormal may
result in fire or electric shock.
● Be sure to cut the power to the product before taking corrective actions or resetting any of
the safety devices. Leaving power on may result in electric shock or in injury from the fan.
Troubleshooting Charts
■Product fails to start when ON/OFF switch is turned ON.
Condition
●Product doesn't run, and the
COOLER lamp remains off.
● COOLER lamp is on, but the
compressor is not running.
■Does not cool to setting temperature within specified time period.
Condition
● Cooler is running.
Troubleshooting
Troubleshooting Charts
WARNING
CAUTION
Cause
● Controller is defective.
● Protective device is defective.
● Fuse is blown
● Power voltage is low.
● Electromagnetic contactor is bad.
Cause
● Load is too great.
● Cooling capacity is poor.
● Excessive ambient temperature
27
Corrective Action
● Replace the controller.
● Refer to protective-device
explanations on the next
page.
● Provide the rated voltage.
● Replace the contactor.
Corrective Action
● Reduce the load.
● Check for gas leak.
● Check that water is clean.
● Lower the cooler ambient
temperature to below 40℃