Atmos Multi Mk2, Руководство пользователя, Страница: 15 / 19

Malfunction messages (continued)
Code Diagnosis Cause
Diagnostic
display
7 Insufficient circulation
of central heating
water during hot water
heating
•
Insufficient central heating water in the central heating water circuit - Central
heating water pressure too low (minimum 1 bar at the appliance)-
Automatic de-aerator not functioning properly (Air in the appliance)
Central heating pump not running - Central heating pump stuck - Connector
K5 loose - Central heating pump defective - Thermal safety switched off
- Control unit
7. Insufficient circulation
of central heating
water during radiator
heating
•
Insufficient central heating water in the central heating water circuit
- Central heating water pressure too low (minimum 1 bar at the
appliance)
- All (thermostat) radiator taps are closed (pressure difference regulator
not set properly if present)
- Accumulation of air caught somewhere in the central heating water
circuit
-Automatic de-aerator not functioning properly (air in the appliance)
•
Central heating pump not running
- Central heating pump stuck
- Connector K5 loose
- Central heating pump defective
- Control unit
8 High limit thermostat
switches off and
central heating water
pressure lower than
0.5 bar
•
Central heating water pressure incorrect
•
Central heating water temperature sensor not properly connected to central
heating water pipe
•
Thermal safety connection defective
•
Thermal safety defective
•
Control unit
•
Central heating pump not running
- Central heating pump stuck
- Connector K5 loose
- Central heating pump defective
- Control unit
9 High limit thermostat
switches off and
temperature of central
heating water sensor
exceeds 80
o
C
•
Central heating water temperature sensor not properly connected to central
heating water pipe
•
Thermal safety connection defective
•
Thermal safety defective
•
Control unit
•
Central pump not running
- Central heating pump stuck
- Connector K5 loose
- Central heating pump defective
- Control unit
9. Control unit safety
malfunction
•
Control unit
LETTER [Letter such as A or E]
Internal error in control
unit.
•
Control unit
[Dark
display]
Appliance not
receiving any power
•
Plug not inserted in wall socket
•
No electricity from wall socket
•
Wire loom connector k6 not connected
•
Control unit fuse defective
•
Mains voltage wiring defective
•
Control unit
ATMOS MULTI Mk2 version 2004 Appendix Page 15