Julabo Peltier TE400 Manual Del Operacion página 101

12 Troubleshooting
For troubleshooting, use the following:
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Issue
Unit does not start
Unit running but
cooling capacity is too
low
Alarm status screen
Wiring diagram
Plumbing Diagram
Troubleshooting table (below)
Possible Cause
Power not applied.
Electrical connection
not correct or no
mains connection
Coolant level too
low. Alarm for low
coolant will be active
Main switch not
turned on
Buckled or pinched
coolant
Improperly placed
unit
Blocked Heat sink
Coolant level too low
Disconnected coolant
hoses
Dirty coolant filter
No flow in cooling
circuit
Corrective Measures
Check power supply and
ensure proper voltage in the
line. Check connection,
insert mains plug
Check coolant level and top
off, if necessary. Refer to
Adding Coolant
Turn main switch on
Install the hoses with a
larger radius to hoses avoid
sharp bends.
Required clearance with the
wall of the unit. Refer to
Installation Requirements
Clean Heat sink. Refer to
Cleaning the Heat sink
Check coolant level and top
up, if necessary. Refer to
Adding Coolant
Connect the coolant hoses.
Refer to Connecting the
Coolant Hoses
Clean or replace filter. Refer
to Replace filter
Check system for blockage or
lack of fluid
Troubleshooting
Clearance By
Operator
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Operator
Operator
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Operator
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Operator
Operator
101