Troubleshooting
105 Liebert
®
SRC™ 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 Possible Causes Corrective Action
The unit does not work
normally.
Burning smell and strange sounds are coming
from the unit.
• Turn-off the unit, unplug the power cable or
disconnect the power supply, and contact
service.
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.
• Check the communication cable
connections.
Incorrect scheduling setup. • Check the programmed Schedule settings.
The unit does not work.
The unit is unplugged.
• Check to see if the power cord is plugged
into the outlet or if the power isolators are
switched on.
A fuse exploded or the power supply is
blocked.
• Replace the fuse or check to see if the circuit
breaker is tripped.
Voltage is too high or too low.
• Turn of the unit when a power failure occurs.
• When the power is restored, wait 3 minutes
before turning-on the unit.
The unit was turned-off automatically at a
scheduled time.
• Turn the unit on.
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