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Troubleshooting
74
130001398_002_C0 - 09/2016 - © Leybold
Error
message
Brief Description
AL
FLT
Possible cause
Corrective Action
100A1
Pt 1000 Alarm 1
n
Occurs when Pt 1000 temperature is
> 90 °C.
Check and improve cooling.
100A2
Pt 1000 Alarm 2
n
Occurs when Pt 1000 temperature is
> 90 °C.
Check and improve cooling.
OH3
Pre CE alarm
n
Motor too warm.
Occurs when PTC temperature is between
PTC -5°C and PTC +5°C and Pt100Alm1/
Pt100Alm2 conditions are not reached.
OH3 condition: Threshold value of
PTC – 5°C
Motor PTC not connected.
Check and improve cooling
or reduce pump load.
Connect motor PTC
PrECE
Pre CE alarm
n
Alarm is active for the time P5-01 before
H5-09 elapsed during Memobus
Communication error.
EAL02
External Alarm during
delay of MFDI set in S2
n
External alarm during delay of MFDI set-
tings for S2 (H1-02).
Delay time set in P1-05
Pressure sensor exceeds alarm/(warning
EAL03
External Alarm during
delay of MFDI set in S3
n
External alarm during delay of MFDI set-
tings for S3 (H1-03).
Delay time set in P1-06
C-LiM
C-Lim Alarm
n
Drive was running at or above the Final
Current Limit for the time P5-04 – P5-03
L_SPd
Low Speed Detected
n
The output frequency is below the fre-
quency set in P3-01 for the time set in
P3-02.
Содержание RUVAC WH 2500
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