Elmo Rietschle G-BH1e - Manual (Page 43)

© Gardner Denver Deutschland GmbH 43 / 52 610.44521.40.000
Servicing
Malfunction Cause Remedy Carried
out by
Leak in system. Seal leak in the system. Operator
Shaft seal defective. Replace shaft seal. Service*)
Different density of pumped gas. Take account of the conversion of the
pressure values.
Inquire with Service Department.
Service
Change in blade profile due to
soiling. Clean impeller, check for wear and replace if
necessary.
Service*)
Setpoint range wrongly adjusted
at DIP switch. Adjust setting of DIP switch to the analog
signal Electrician
Side−channel
blower does not
reach the
required speed
/ pump−motor
unit does not
generate
pressure
difference or
generated
difference is too
low
Setting of maximum output
frequency too low. Increase C0011.
Max. permissible value= 87 Hz (5000/min)
for2BH11 ... 2BH18.
Max. permissible value= 70 Hz (4200/min)
for 2BH19 Electrician
Operator
Min. output frequency set > 0
Hz. (Default setting= 10 Hz) Change drive characteristics only under
special circumstances! (Set C0010 = 0 Hz) Electrician
Operator Side channel
blower
operates,
setpoints”0”
In C0140 a setpoint has been
set. (Setting of C0140 stored in
non−volatile memory Set C0140 = 0 Hz if necessary.. Electrician
Operator
Current
consumption of
motor too high C0016 set too large or too small. Correct setting Electrician
Operator
Flow speed too high. Clean pipes. Use pipes with larger
cross−section if necessary. Operator Abnormal flow
noises
Muffler soiled. Clean muffler inserts, check condition and
replace if necessary. Service*)
Abnormal
running noise Ball bearing lacking grease or
defective. Regrease or replace ball bearing. Service*)
Seals on muffler defective. Check muffler seals and replace if
necessary. Service*) Blower leaky
Seals in motor area defective. Check motor seals and replace if necessary. Service
* ) Can only be repaired by the operator if the maintenance manual is on hand!
8.1.2 Frequency inverter status indications
LED
red  green 
Operating status
off on Frequency inverter enabled
on on Mains switched on and automatic start inhibited
off slowly blinking Frequency inverter inhibited
off fast blinking Motor parameter identification being executed
fast blinking off Undervoltage
slowly blinking off Fault active