
Reverse osmosis system
GENO-OSMO-X
Order no.
134 750 927-inter Edited by: phar/mrie G:\BA-750927-inter_134_GENO-OSMO_X.docx
69
Continuation table G-2: Troubleshooting
This is what you observe This is the cause
This is what to do
E177.
Error 2 Error temperature
sensor
Temperature sensor of the perme-
ate conductivity measuring cell de-
fective or short-circuit at the con-
ductivity measuring cell.
Notify Grünbeck’s technical cus-
tomer service/authorised service
company.
E178:
Stage 2 Error HP pump
RO1P4
Frequency converter of high-pres-
sure pump signals an error.
Flip the GENO-OSMO-X control
unit towards the front. Report the
error message of the frequency
converter to Grünbeck’s technical
customer service/authorised ser-
vice company.
E182
Tripped fuse 24V MV
Short-circuit/overload at the sole-
noid valves.
Notify Grünbeck’s technical cus-
tomer service/authorised service
company.
E183
Short-circuit limit switch volt-
age
Short-circuit/overload at the input
signals.
Notify Grünbeck’s technical cus-
tomer service/authorised service
company.
E184
Communication error
water softener
Communication with data line
RS485 to control unit of the water
softener installed upstream is in-
terrupted.
Check the lines for proper connec-
tion. Check whether the terminating
resistors (DIP switches) are set
properly.
Summary of Contents for GENO-OSMO-X
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