Warning message Advisory message Meaning/recommended action
WARNING 3913
The exhaust pressure transducer is not fitted,
or is disconnected or has failed. Check and
rectify as necessary.
WARNING 4009
SS PURGE LOW
ADJUST REGULATOR
INCREASE PRESS.
The shaft-seals purge pressure is too low.
Check that the nitrogen supply is as specified
in Section 2 and that you have correctly
adjusted the pressure: refer to Section 5.7.
WARNING 4010
SS PURGE LOW
PRESSURE LOW
ADJUST REGULATOR
Refer to the recommended actions for error
number 4009 in this table.
WARNING 4011
SS PURGE HIGH
PRESSURE HIGH
CHECK GAS MODULE
The shaft-seals purge pressure is too high.
Check that you have correctly adjusted the
pressure: refer to Section 5.7. If you cannot
correctly adjust the pressure, the regulator may
be faulty.
WARNING 4012
SS PURGE HIGH
PRESSURE HIGH
CHECK GAS MODULE
Refer to the recommended actions for error
number 4011 in this table.
WARNING 4013
The shaft-seals pressure transducer is not
fitted, or is disconnected or has failed. Check
and rectify as necessary.
WARNING 5113
There is a fault in the ADC (analogue-to-digital
convertor) in the Control SMA; the Control
SMA must be replaced.
WARNING 5411
MB TEMP
The temperature of the HCMB pump is too
high. Check the pumping system inlet
pressure; has the pumping system been
operating with inlet pressure > 5 mbar
(5 x 10
2
Pa) for 1 hour or more. If the
maximum inlet pressure has not been
exceeded, or if the pumping system has not
been operated at the maximum inlet pressure
for longer than the specified time, the
cooling-circuit of the pump maybe blocked.
WARNING 5413
Check that the HCMB pump temperature
sensor is fitted and is correctly connected. If
the sensor is correctly fitted and connected, it
may have failed. Check the operation of the
sensor and replace it if it has failed.
WARNING 5511
DP MOTOR TEMP
MOTOR WATER LOW
CHECK WATER
The temperature of the HCDP pump- motor is
too high. Check the cooling-water connections
in the iH system and check that the
cooling-water supply is on and is as specified
in Section 2. If the connections and supply are
correct, the cooling-circuit of the pump maybe
blocked.
6-24 iH Dry Pumping Systems
Table 6-1 - Warning messages (continued)
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