Edwards EPX HiVac Series Instruction Manual page 69

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A419-00-880 Issue K
Table 18 - EPX EUC alarms and warnings
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Message on PDT
Description Action
ALARM 101
EUC controller fault. Cycle power off and on. If fault still present,
Watchdog Reset contact Edwards representative
ALARM 101 The emergency trip circuit has triggered,
Reset the emergency stop circuit.
STOP ACTIVATED and the inverter is disabled. Allow the pump to stop completely. Restart
the pump.
WARNING 101 A power loss of more than half a second
Restore power. Restart the pump.
POWER INTERRUPT has occurred. This warning is shown as
the power is removed.
WARNING 113 General Input/ Output fault on EUC. Cycle the power off and on. If fau lt still
PCA FAULT
present, contact Edwards representative.
WARNING 312
Inverter has indicated over-current.
Monitor the pump. If the problem persists,
CURRENT HIGH
stop the pump, remove power and contact
Edwards representative.
ALARM 501 Inverter has received a Pump Thermal Remove power to the pump. Check that
PUMP TEMP HIGH Overload input.
cooling water flow rate is at least 2 1/ min
and other services are correctly supplied.
Allow the pump to cool down completely.
Restart the pump. If the problem persists,
contact Edwards representative.
WARNING 3501 Nitrogen flow low; need to check gas Check the nitrogen flow rate to the pump.
N2 FLOW LOW supply. Ensure that supply exceeds 17 slm. If problem
persists,
contact Edwards representative.
ALARM 7001 Inverter running signal has not been Remove power. Check that the power supply
INVERTER STOPPED received for more than 20 seconds whilst is at full strength. Apply power and restart
t he pump should be running. the pump. If the problem persists, contact
Usually caused by a dip in the 3-phase Edwards representative.
supply.
ALARM 17601
Inverter has indicated a major fault/ trip Remove power to the pump. Check that
INVERTER FAULT condition across the serial link.
cooling water flow rate is at least 2 I/ min
and other services are correctly supplied.
Allow the pump to cool down completely.
Restart the pump. If the problem persists,
contact Edwards representative.
ALARM 17601 Inverter has not indicated 'Running' Remove power to the pump. Check that
NO RUN SIGNAL across the serial link when commanded cooling water flow rate is at least 2 1/ min
'On'. and other services are correctly supplied.
This will occur after a thermal trip if the Check exhaust line is not blocked and pump
pump has not been allowed to cool for inlet is clear.
long enough.
Allow the pump to cool down completely.
Restart the pump. If the problem persists,
contact Edwards representative.
WARNING 17601 Inverter has indicated a minor fault/trip Remove power to the pump. Check that
INVERTER FAULT condition across the serial link. cooling water flow rate is at least 2 I/ min
and other services are correctly supplied.
Allow the pump to cool down completely.
Restart the pump. If the problem persists,
contact Edwards representative.
WARNING 17613 Lost communication with inverter. No action is required unless the pump is
INVERTER FAULT stopped, in which case, remove the power to
the pump (for example, by operating the EMS
circuit).
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