MU1H-1413GE23 R0807
17
www.honeywell.com
GB
14. Troubleshooting
Problem
Cause
Remedy
No water supply to the device
Shut-off device in the bypass is not
open or only partially open
Open shut off valve fully
Pipework of the drinking water supply
is calcified or blocked
Clean or replace the pipework
Device does not regenerate
Flow meter is defective
Check and, if necessary, replace the
flow meter (CS*)
Incorrect settings at the control valve Check the control valve settings
Water meter is contaminated or defec-
tive
Clean and, if necessary, replace water
meter (CS*)
Internal electric cabling is defective
Check internal electric cabling (CS*)
Call Technical Customer Service
Wrong connection of connecting ho-
ses
Connect the flexible connection lines
correctly
Device does not regenerate,
"Holiday Mode" LED is perma-
nently on (> 10 minutes) despite
tapping of water
No signal from flow meter
Check and, if necessary, replace the
flow meter (CS*)
Nothing is displayed
Power supply has been interrupted
Check power suppy (mains plug, fuse)
Control head is defective
Call Technical Customer Service
Incorrect time is displayed
Power failure occurred
Set the time
Tank overflows
Internal pipework is contaminated or
leaking
Check pipework (CS*)
Float valve is defective
Check float valve (CS*)
Insufficient function
Device not deaerated
Deaerate device
Device is in "Bypass" position
Set device to "Service" position
Incorrect settings at the control valve Check the control valve settings
Storage tank is almost or completely
empty
Check salt level
Blending has been set incorrectly
Check the control valve settings
Check blending valve and mixing ratio
Control valve is contaminated or de-
fective
Clean control valve or, if necessary, re-
place control head (CS*)
Permanent regeneration
Control head is defective
Call Technical Customer Service
Incorrect settings at the control valve Check the control valve settings
No brine intake
Incorrect settings at the control valve Check the control valve settings
Drain tube is blocked
Clean and, if necessary, replace drain
tube
Min. operating pressure not available Min. operating pressure is 2.0 bar
Nozzles clogged
Replace nozzles (fitter, CS*)
*CS = Customer Service
Permanent discharge into se-
werage tube
Back pressure in drain tube is too high Clean and, if necessary, replace se-
werage tube
Control head is defective
Call Technical Customer Service
