Troubleshooting; Self-Diagnosis At The Indoor Unit; Before Calling For Service - Emerson Liebert SRC18 User Manual

10.0 Troubleshooting

10.1 Self-diagnosis at the Indoor Unit

The Liebert SRC has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit blinks
in 2-second intervals. If this occurs, contact your dealer or service center.

10.2 Before Calling for Service

Please check the following before contacting service. If the problem persists after corrective action, contact
your local service center.
Problem
The unit does not work
normally.
The unit does not work.
Possible Causes
Burning smell and strange sounds are coming
from the unit.
Water leaks from the indoor unit even when
humidity level is low.
The power cable is damaged or it is generating
excessive heat.
A switch, circuit breaker (safety, ground), or a
fuse is not operating properly.
The unit generates and error code from self
diagnosis.
Incorrect cabling.
Incorrect scheduling setup.
The unit is unplugged.
A fuse exploded or the power supply is
blocked.
Voltage is too high or too low.
The unit was turned-off automatically at a
scheduled time.
• Turn-off the unit, unplug the power cable or
disconnect the power supply, and contact
service.
• Check the communication cable
connections.
• Check the programmed Schedule settings.
• Check to see if the power cord is plugged
into the outlet or if the power isolators are
switched on.
• Replace the fuse or check to see if the circuit
breaker is tripped.
• Turn of the unit when a power failure occurs.
• When the power is restored, wait 3 minutes
before turning-on the unit.
• Turn the unit on.
105
Troubleshooting
Corrective Action
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Liebert SRC™ User Manual