Pfeiffer Vacuum A 1204H, Operating Instructions Manual

Page: 68 / 92

68
Malfunctions
W05/D05 LOG IN.1
W06/D06 LOG IN.2
W12/D12 LOG IN.3 Incorrect monitoring configuration Check that [LOG 1], [LOG 2] or [LOG 3] is [DIS-
ABLED] if input is not used.
Check the warnings or fault delays.
Connection not present or cut Check the sensors connection on LI1, LI2 and LI3
plug
(see 15.4) .
Other problem Contact your service center.
D07 LOW SPEED FB Incorrect monitoring configuration Check that [DEFINITION] [FREQUENCY IN-
VERTER] [FB Inverter] is set on [V1000] or [DES-
ABLED].
Wiring problem on EMS emergengy stop connec-
tor
Check that there is a strap between pins 2 and 3
of emergengy stop terminal
EMS (see 8.7.1) .
Rotor rotation is difficult or FB mechanical prob-
lem Check the rotation of the FB shafts.
Free the FB manually
(see 9.4) .
Frequency inverter trouble Replace the frequency inverter, or
Contact your service center.
W09 LOW VOLTAGE Main power is not correct Check the main power.
Other problem Contact your service center.
W10/D10 T° MOT FB FB temperature is > 120°C
The cooling circuit is clogged
Check the water cooling supply on the pump.
Check that the motor is correctly cooled.
Check that the cooling pipes are not clogged.
Sensor or wiring faulty Check the sensor connection on FB MOTOR plug
(see 15.4) .
Problem on FB motor temperature sensors Check the proper operation of FB motor tempera-
ture sensors (NC contacts).
Other problem Contact your service center.
W11 INLET VALVE Incorrect monitoring configuration Check that [INLET VALVE] is [DISABLED] if no
valve is installed.
Faulty wiring Check the valve connection on the J4 connector
(see 8.5.3) .
Malfunction Check the proper operation opening/closing of the
valve.
Other problem Contact your service center.
PW13/W13/PD13/D13 PURGE
FLOW No purge flow Check nitrogen supply.
Check the valve connection on N2 VALVES plug
(see 15.4) .
Insufficient purge flow Check the setting of nitrogen flow using pressure
regulator.
Check that there is no leak.
Incorrect threshold setting Check the warning and alarm thresholds in [SET-
TING][PURGE][PURGE FLOW][LOW DE-
FAULTS].
Flowmeter not connected Check the flowmeter connection on FLOW CONT
plug
(see 15.4) .
Other problem Contact your service center.
PW14/W14/D14 R1 P DRIVE Roots 1 incorrect threshold setting Check the warning and alarm thresholds in [SET-
TING][POWER][R1 POWER].
Roots 1 mechanical problem Check the rotation of the Roots 1 rotors (if possi-
ble).
Problem with power reading Check current and voltage on the monitoring and/
or at the frequency inverter output.
If the is no frequency inverter, check the current
sensor.
Problem on frequency inverter Contact your service center.
Other problem Contact your service center.
W15 /D15 HP FB T°
either
HP T° > setpoint T +5°C FB HP water valve problem Check the proper operation and the connection of
the FB HP water valve
(see 15.4) .
Check the power supply of HP water valve coil on
FB.
Cooling problem Check the water cooling supply on the pump.
Check that the cooling pipes and /or the cooling
plate are not clogged.
Temperature sensor and/or wiring faulty Check the temperature reading on HHR as well as
the connections of the sensor on FB HP TEMP
plug and of the valve on FB VALVES plug
(see
15.4) .
Other problem Contact your service center.
Incident Cause Remedy