SECTION 5
TROUBLESHOOTING
Jan 2001
Page 5-1
05114608
Section 5 TROUBLESHOOTING
SL-IV Pump Will Not Start
Condition & Possible Causes Corrective Action
E-STOP Button
Depressed
Pull out E-STOP button. Push CONTROL POWER ON
button – white light on CONTROL POWER ON button
should illuminate.
Power Disconnected Check that main power is present.
Check that main power disconnect is ON.
Control Power
Interrupted
Check power supply circuit protection (tripped
breaker). Check power supply (24vdc) input and
output.
Protection Activated Check LOW OIL LEVEL, HIGH OIL TEMPERATURE,
LEAK CONDITION, or HIGH TEMPERATURE
BOOSTER PUMP (bold letters indicate display
messages)
Motor Overload Relay
Tripped
Find reason for overload. Reset overload relay.
Inlet Water Valve
Turned Off
Reset water valve by pressing F6
Console Display and Lights Fail to Illuminate
E-STOP Button
Depressed
Pull out E-STOP button. Push CONTROL POWER ON
button - white light on CONTROL POWER ON button
should illuminate.
Main Power
Disconnected
Check main power.
Door Unlatched
(locked out)
Check that the door disconnect switch is properly
engaged.
Control Power Not
Available
Check power supply circuit protection (tripped
breaker). Check power supply (24vdc) input and
output.
Pump Quit Running
Unsafe Operation
Detected
Check fault indication on operator’s console and
correct: LOW OIL LEVEL, HIGH OIL TEMPERATURE,
LEAK CONDITION, or HIGH TEMPERATURE
BOOSTER PUMP.
Electrical Power
Interruption
Check power supply circuit protection (tripped
breaker). Check power supply (24vdc) input and
output.
Check that main power is available.
Motor Overload Relay
Tripped
Find reason for overload. Reset overload relay.
No Control Power (24vdc)
Circuit Breaker
Tripped
Check input circuit breaker of power supply. Check
output circuit breaker (24vdc) of power supply.
Power Supply Fault Check power supply input and output voltages.