
Technical instructions CONTROLLER -
CPREG-Touch
98
Errors
E21
INCORRECT
RECIRCULATION
SENSOR
Possible cause:
Interruption in cables between sensors and
control, control contacts, cold connection or defective sensor.
Boiler status:
boiler operate normally.
Troubleshooting:
Call a qualified service person to check the
location of the sensor, check for sensor/cable damage, check
connectors on the connectors, check the ohmic resistance of
the sensor
.
Possible cause:
A wrong “ key “ is placed for the power
reading or a wrong screen (used on another boiler – with
another power).
Boiler status:
Currently goes to OFF mode
T
roubleshooting:
Call an authorized serviceman to
check the accuracy of the key/screen.
Possible cause:
Problem with the “
code
key “ for the
p
ower
reading:
- the key is not placed
,
not recognized
,
has a
m
alfunction
,
we
have a cold junction or the key is defective.
Boiler status:
Currently goes to OFF mode.
Troubleshooting:
Call an authorized serviceman who will check
the damage/accuracy of the “ key “ and the connections.
E22
UNKNOWN BOILER
POWER
!
E23
WRONG
BOILER POWER
!
E24
FUEL LEVEL
Possible cause:
Too low pellet level in the tank for a normal
operation.
Boiler status:
Entering the extinguishing phase
S7(S7 – 1 ).
Troubleshooting:
Fill the tank with pellets minimal above
the pellet level sensor in the tank.
E100_1
COMMUNICATION
ERROR WITH CM2K
(1+&2+)
Possible cause:
Defective UTP cable or connections on the
controller's PCB boards and CM2K.
Boiler status:
The boiler operates normally.
Troubleshooting :
Call an authorized serviceman who will
check all.
E100_2
COMMUNICATION
ERROR WITH CM2K
(3+&4+)
Possible cause:
Defective UTP cable or connections on the
CM2K controller's PCB boards.
Boiler status:
The boiler operates normally.
Troubleshooting:
Call an authorized serviceman who will
check all.
E100_3
COMMUNICATION
ERROR WITH CM2K
(5+&6+)
E100_4
COMMUNICATION
ERROR WITH CM2K
(7+&8+)
Possible cause:
Defective UTP cable or connections on the
CM2K controller's PCB boards.
Boiler status:
The boiler operates normally.
Troubleshooting:
Call an authorized serviceman who will
check all.
Possible cause:
Defective UTP cable or connections on the
CM2K controller's PCB boards.
Boiler status:
The boiler operates normally.
Troubleshooting:
Call an authorized serviceman who will
check all.
E100_5
COMMUNICATION
ERROR WITH CMGSM
Possible cause:
Defective UTP cable or connections on the
controller's PCB boards and CMGSM.
Boiler status:
The boiler operates normally.
Troubleshooting :
Call an authorized serviceman who will
check all.