Kwl-Bec Fault Overview - Helios KWL-BEC Notice D'utilisation

Operating instructions
CHAPTER 3
FAULT /ERROR
Faults Information
Infos
Info 1 Filter change
Info 2 Frost protection Heat exchanger
Info 3 SD card error
Info 4 Failure of an external module
Error messages
Error 1 Speed error "Supply air" fan (outside air)
Error 2 Speed error "Extract air" fan (outgoing air)
Error 3 -free-
Error 4 SD card error when writing
Error 5 Bus overcurrent
Error 6 -free-
Error 7 BASIS VHZ EH voltage to heat module not available
Error 8 Ext. module (VHZ) mains voltage to KWL-EM unavailable
Error 9 Ext. module (NHZ) mains voltage to KWL-EM unavailable
Error 10 BASIS Int. temp sensor (T1) -outside air- (missing or cable break)
Error 11 BASIS Int. temp sensor (T2) -supply air- (missing or cable break)
Error 12 BASIS Int. temp sensor (T3) -extract air- (missing or cable break)
Error 13 BASIS Int. temp sensor (T4) -outgoing air- (missing or cable break)
Error 14 BASIS Int. temp sensor (T1) -outside air- (short-circuit)
Error 15 BASIS Int. temp sensor (T2) -supply air- (short-circuit)
Error 16 BASIS Int. temp sensor (T3) -extract air- (short-circuit)
Error 17 BASIS Int. temp sensor (T4) -outgoing air- (short-circuit)
Error 18 Ext. module configured as VHZ but not available or malfunction
Error 19 Ext. module configured as NHZ but not available or malfunction
Error 20 Ext. module (VHZ) duct sensor (T5) -outside air- (missing or cable break)
Error 21 Ext. module (NHZ) duct sensor (T6) -supply air- (missing or cable break)
Error 22 Ext. module (VHZ) duct sensor (T7) –return WW register- (missing or cable break) Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Error 23 Ext. module (VHZ) duct sensor (T5) -outside air- (short circuit)
Error 24 Ext. module (NHZ) duct sensor (T6) -supply air- (short circuit)
Error 25 Ext. module (VHZ) duct sensor (T7) –return WW register- (short circuit)
Error 26 Ext. module (VHZ) safety limiter automatically triggered
Error 27 Ext. module (VHZ) safety limiter manually triggered
Error 28 Ext. module (NHZ) safety limiter automatically triggered
Error 29 Ext. module (NHZ) safety limiter manually triggered
Error 30 Ext. module (NHZ) Frost protection measured by WW return (T7)
(switching threshold adjustable e.g. < 7 °C)
Error 31 Ext. module (NHZ) Frost protection measured by supply air sensor (T6)
(switching threshold adjustable e.g. < 7 °C)
Error 32 Frost protection external WW reg (fixed < 7 °C only PHI) measured either
by (1.) Ext. module (NHZ) supply air duct sensor (T6)
by (2.) BASIS supply air duct sensor (T2)
Comfort controller KWL-BEC

3 .0 KWL-BEC fault overview

Cause
Filter dirty
Cold outside temperature
SD card inserted incorrectly / defective
Cable break,
programmed but unavailable
Target speed is not reached in terms of
ventilation
Software error
Cable break
Motor/impeller defective
Like "Error 1" (see above)
–
Internal error
Too many subscribers connected to bus
–
Electronic error
EM module pre-heater with no power
EM module auxiliary heater with no power
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Short-circuit in sensor cable
Short-circuit in sensor cable
Short-circuit in sensor cable
Short-circuit in sensor cable
Pre-heater programmed, but corresponding
EM module not connected
Auxiliary heater programmed, but correspon-
ding EM module not connected
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Temp. sens. not sending signal to circ. board Connect temperature sensor correctly
Short-circuit in sensor cable
Short-circuit in sensor cable
Short-circuit in sensor cable
Pre-heater coil has overheated!
Bridge not connected or missing
Pre-heater coil has overheated!
Bridge not connected or missing
Auxiliary heater coil has overheated!
Bridge not connected or missing
Auxiliary heater coil has overheated!
Bridge not connected or missing
Return temperature too low
Supply air temperature too low
Supply air temperature too low
27
Solution
Change filter
for info, turns off automatically in war-
mer temperatures
Have SD card tested by specialist
Have programming and connection to
KWL-EM tested by specialist
Check air ducts for obstructions
(dirty grille/filter, incorrectly installed
valves,...)
Reset (electricity off/on)
Connect cable correctly
Replace motor/impeller unit
Like "Error 1" (see above)
–
Reset (electricity off/on)
–
Reset (electricity off/on)
Connect/switch on power
Connect/switch on power
Connect temperature sensor correctly
Connect temperature sensor correctly
Connect temperature sensor correctly
Connect temperature sensor correctly
Reprogramme pre-heater or configure
KWL-EM as pre-heater
Reprogramme auxiliary heater or confi-
gure KWL-EM as pre-heater
Connect temperature sensor correctly
Connect temperature sensor correctly
Connect temperature sensor correctly
System automatically resets itself after
cooling
Find cause of overheating
(volume flow too low,..)
Reset (electricity off/on)
Find cause of overheating
(volume flow too low,..)
Auto. system reset after cooling
Find cause of overheating
(volume flow too low,..)
Reset (electricity off/on)
Find cause of overheating
(volume flow too low,..)
Check flow temperature, increase if ne-
cessary, outside temperature too cold
Check flow temperature, increase if ne-
cessary, outside temperature too cold
Check flow temperature, increase if ne-
cessary, outside temperature too cold
EN