Section 10
Troubleshooting
20413005
8-2012/Rev 05
10-6
Table 10-1
SL-V Series Troubleshooting Guide
Malfunction Indication Comments
15.
Pump quits running Unsafe operation has been
detected
Check the display panel for fault
messages.
Electrical power has been
interrupted
Check the power supply circuit
for a tripped breaker.
Check the input and output of
the 24 volt DC power supply.
Verify that power is available at
the main power source.
Check the 2K1 relay coil.
Check the 4K0 relay.
Motor overload relay has
been tripped
Identify the source of the
overload and remedy the
problem. Reset the overload
relay.
16.
No control power Circuit breaker has been
tripped
Check the input and output of all
circuit breakers.
Power supply fault Check the input and output
voltages at the power supply.
Emergency stop button is
depressed
Pull the e-stop button out.
Check all remote e-stop buttons.
Master control relay is not
energized
Verify that the contactor coil is
pulling in on the master control
relay.
Contact set failure on the
master control relay
Verify that the contact sets on
the master control relay are
changing states when the relay is
energized.
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