Error
code
Problem
Possible causes
Remedy
Err118
Overtemperature of
the cooling element
(FC)
● Insufficient cooling
● Ambient temperature too high
● Improve the cooling
● Check the operating conditions
● Observe the intended use
Err173
Motor excess current
(FC)
● Suction chamber dirty
● Short-circuit
● Check the vacuum pump
● Contact Pfeiffer Vacuum Service
Err177
Overload (FC)
● Suction chamber contaminated –
Vacuum pump clogged over a
longer period or overloaded
● Short-circuit
● Check the vacuum pump
● Contact Pfeiffer Vacuum Service
● Observe the intended use
Err323
Overtemperature at
exhaust (during oper-
ation with optional
gas outlet tempera-
ture sensor)
● Outlet temperature > 350°C
● Maximum permissible pressure
differential was exceeded
● Check the vacuum pump
● Check the operating conditions
● Acknowledge the error
Tbl. 18:
Error messages of the electronic drive unit
Error code Problem
Possible causes
Remedy
Wrn030
Pre-alarm: Excess tem-
perature at exhaust
● Outlet temperature > 250°C
● Maximum permissible pressure differ-
ential was exceeded
● Improve the cooling
● Check the operating conditions
Wrn117
Pre-alarm: Vacuum pump
excess temperature
● Insufficient cooling
● Improve the cooling
● Check the operating conditions
● Observe the intended use
Tbl. 19:
Warning messages of the electronic drive unit
12.4 Warning and error messages when operating with DCU
Besides the device-specific warning and error messages on the electronic drive unit, additional messag-
es are displayed with the connected display and control panel.
Display in DCU
Problem
Possible causes
Remedy
* Warning F110 * Pressure gauge
● Pressure gauge faulty
● Connection to the pressure gauge
disconnected during operation
● Check the cable connection
● Carry out a restart with pressure
gauge connected
● Replace the pressure gauge com-
pletely
** Error E040 **
Hardware error
● external RAM faulty
● Contact Pfeiffer Vacuum Service.
** Error E042 **
Hardware error
● EPROM checksum incorrect
● Contact Pfeiffer Vacuum Service.
** Error E043 **
Hardware error
● E
2
PROM write error
● Contact Pfeiffer Vacuum Service.
** Error E090 **
Internal device
error
● RAM not large enough
● DCU is connected to incorrect
electronic drive unit
● Contact Pfeiffer Vacuum Service.
● Connect the DCU to the correct
electronic drive unit
** Error E698 **
Communication
error
● Electronic drive unit is not re-
sponding
● Contact Pfeiffer Vacuum Service.
Tbl. 20:
Warning and error messages when using a DCU
Malfunctions
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Содержание HILOBE 1002
Страница 1: ...OPERATING INSTRUCTIONS EN Translation of the Original HILOBE 1002 1302 Roots pump ...
Страница 67: ...67 68 ...
Страница 68: ... PW0322 ed E Date 2102 P N PW0322BEN ...