REMKO MHP-Manager Wireless Remote Control - Manual (Page 25)

Troubleshooting and customer service
The units and components are manufactured using state-of-the-art production methods and tested several times
to verify their correct function. However, if malfunctions should occur, please check the functions as detailed
in the list below. Please inform your dealer if the unit is still not working correctly after all function checks have
been performed!
Restart
1. Remove the battery and
turn the rotary knob.
2. Refit the battery.
Use the F-key [4] [Continue]
to ignore or cancel the
message “Bus code assigned”.
Restart / Reset
Reset
1. For individual parameters using
F-key [3] = [Default]
2. For the menus User, Specialist
or Time programmes, this can
be selected via the Service
menu, e.g. “Reset time
programme” menu item,
then adjusting the value from
Off to On with the rotary knob
and the pressing the F-key [4]
= [OK]. The unit restarts.
3. For the unit as a whole (incl. all
parameters), remove battery
and turn the rotary knob.
When reinserting the battery,
hold down the Home key.
Error Possible cause Checks Remedial measures
Pumps do not switch off
Operating mode / settings
changed Check operating mode /
settings
Check operating mode => Default
( set?). Check “HCP OPERATION”
setting value (default 00).
Pumps fail to switch on
Operating mode / time
and heating programme
/ pump switching /
heating thresholds /
room temperature-based
regulation changed
Check operating mode
/ time and heating
programme / pump
switching / heating
thresholds / room
temperature-based
regulation
Check operating mode => Default
( test).
Check time and heating programme
=> Heating period
Check pump switching => Type of
pump switching
Default => Outdoor temperature >
Room target temperature?
Heating thresholds => Outdoor
temperature > Valid heating limit?
Room-temperature-based regulation
=> Room temperature > Target
temperature + 1K
Additional test with the relay test
function of the controller.
Error number 81
Change in the tank of the
controller (e.g. due to EMC)
Check all settings values
Check all settings values, then
restart!
Other error numbers
Error caused by boiler or
mixer controller
Check the meaning of these
error in the corresponding
error tables
Look up the meaning in the boiler
error tables
Malfunctions
If the system does not operate
correctly, first check the cabling
in the controller and controller
components.
The wireless remote control must
be registered properly with a field
strength between 0 and (-80) dBm.
Bus connection (see Service menu)
In control panels on connection to
the mixer => Communication MM
= On
In control panels on connection
to the heating appliance =>
Communication KM = On
In the boiler controller on
connection to the control panel =>
Displays
the room temperature and
hides the current target room
temperature
General troubleshooting vinformation
“----” (see “Display/Heating
circuit”)
In the mixer expansion controller
on connection to the boiler
controller => Displays the outdoor
and the boiler temperature (see
“Display/System”) on the control
panel => Displays the room
temperature and hides the current
target room temperature “----”
(see “Display/Heating circuit”)
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