- 79 - V08 en, SCC
CM_P - Error messages - Er
0, 1, 2
Ignition box
Ignition error
Ignition box defective
1 = top, 2 = bottom
0, 1, 2
Ignition box
Flame signal not recognized
Ignition box defective
1 = top, 2 = bottom
1, 2, 4, 8 Bus connection
Check power supply to motor / ignition box
LED must be on!
Bus connection
- 1 Motor top, - 2 Motor bottom
- 4 Ignition box top, 8 Ignition box bottom
UltraVent
Bus connection UltraVent not recognised, Bus con-
nection defective or UV not connected to mains
supply.
Dierential pressure sensor P1
Dierential pressure sensor defective
(no signal), Cable to P1
Dierential pressure sensor P1
Dierential pressure sensor signal out of range,
check for plugged or loose hoses.
Mode switch defective, change PCB
Temperature potentiometer defective, change PCB
Timer / core probe potentiometer defective, change potentiometer 40.00.464
No steam heating during CJ No temperature raise above 60°C recognised by B1
Check SSR, steam element
real time clock CPU (rtc) not initial-
ised
Set time and date for rtc
Battery voltage below 1,5V
change battery, Type CR 2032
(press timer key to delete error aer repair)
Blink code Fan Motor top see below
Blink code Fan Motor bottom see below
Initialization of ignition box incor-
rect
Wrong rpm information for gas
blower
switch unit o and on again, change eeprom or run
EEPROM Repair program
PCB memory error (during self test) change PCB
Blink code Mo-
tor
Reason Remedy
1x Starting error check if fan wheel is not blocked and can turn freely, change motor
2x, 4x, 7x, 10x Motor defective change motor
3x, internal error SCC_WE: ash soware to 05.00.11.4 or higher, change motor
5x, 11x Motor temperature
too high
Check fan wheel dimension, change motor
6x, voltage error check voltage supply, change motor
8x only with 3-phase
motor
phase is missing
9x communication error check bus cable, apply contact grease (9003.0219) to bus cable plug
Blink code fan motor SCC_CMP
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