Worcester Greenstar Ri Manuel d'instructions Page 51
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
No light
Light on but
boiler not
operating during
demand
*Slow flash
(normally off,
flashes on)
*Slow flash
(normally on,
flashes off)
Fast flash
2 pulses
5 pulses
Ignition lockout
Flue overheat
Heat exchanger overheat
Flue pressure switch
Volatile lockout
(sensor, fan or code plug)
Permanent mains supply to boiler.
Boiler mains switch on.
Fuse F1.
Fuse F2.
Transformer (both coils below 100Ω).
Otherwise replace control board (if boiler does not operate correctly).
Boiler demand live at ST2 terminal
LR (is there a demand)
By pass is open
If either only HW or CH is operating check diverter valve/frost stat/
room stat/programmer.
Otherwise replace control board.
Gas present and at correct pressure.
Combustion CO2 level.
Flue condition
Ignition electrodes/cables/connections
Flame sense electrode/cables/connections
Gas valve (coils 140-190Ω).
Otherwise replace control board.
Flue temperature too high.
Heat exchanger baffles have been removed and not refitted.
Water pressure/dry
All air vented
Pump/cables/connections
Water leaks/blockages
Safety thermostats/cables/connections
Otherwise replace control board
Blockage in flue system
Temperature sensor (8000 - 20000Ω).
Wiring/connections to sensor.
Fan/cable/connections.
Code plug fitted.
Service mode switch in min position.
Service mode switch in max position.
NOTE : This fault finding information is for guidance only. Worcester cannot be held responsible for costs incurred by persons not deemed
to be competent.
The electronic control system for this boiler incorporates a blue central indicator. This normally confirms the permanent mains supply but, by
flashing at different rates during a fault, provides a guide to the cause as listed.
This fault finding system assumes that the appliance has been operating normally until the time of failure (i.e. not a first installation error).
PRELIMINARY CHECKS : Preliminary electrical system checks are the first electrical checks to be carried out during a fault-finding
procedure. On completion of the Service/Fault-Finding task which has required the breaking and remaking of electrical connections, check
(a) EARTH CONTINUITY, (b) SHORT CIRCUIT CHECK, (c) POLARITY and (d) RESISTANCE TO EARTH.
FAULT FINDING
*Reset via the user control.
Indication
Fault
Possible solution/check
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR Ri
8 716 115 168a (06/2008)
49
FAULT FINDING
FAULT FINDING
& DIAGRAMS
- INSTRUCTION MANUAL 1
- INSTALLATION & 2
- SERVICING INSTRUCTIONS 2
- CONTENTS 3
- 8 716 115 168a (06/2008) 4
- Check List 5
- TECHNICAL DATA 6
- LAYOUT & COMPONENTS 7
- CLEANING PRIMARY SYSTEMS 8
- MAINS SUPPLY 9
- WATER SYSTEMS & PIPEWORK 10
- CONDENSATE PIPEWORK 11
- ** * 12
- BOILER LOCATION & 13
- CLEARANCES 13
- PLUMBING MANIFOLD 14
- FLUE OPTIONS 15
- FLUE TERMINAL POSITIONS 16
- UNPACKING THE BOILER 18
- WALL MOUNTING PLATE 19
- FLUE OPENING 19
- REMOVING OUTER CASE 20
- BOILER CONNECTIONS 21
- FLUE INSTALLATION 22
- CONDENSATE CONNECTIONS 25
- Switched 26
- POSITION OF WIRED 27
- COMPONENTS 27
- PRE-COMMISSIONING 28
- FILLING THE SYSTEM 29
- STARTING THE APPLIANCE 30
- WATER TREATMENT 31
- COMMISSIONING 32
- SIT VALVE 32
- DUNGS VALVE 32
- FINISHING COMMISSIONING 33
- NOTE: A service must NOT be 34
- Inspection 34
- Component Access 35
- 1. Removing outer case 35
- Primary Heat Exchanger 36
- Setting Boiler to Maximum 36
- To Clean the Heat Exchanger 37
- INSPECTION AND SERVICE 38
- THE BAFFLES (O) AND (N) MUST 39
- BE REFITTED INTO THE HEAT 39
- EXCHANGER AS SHOWN IN 8 39
- FAILURE TO DO SO MAY RESULT 39
- IN DAMAGE TO THE BOILER 39
- SETTING THE AIR / GAS RATIO 40
- FOR THE SIT 848.093 SIGMA 41
- 2. Primary sensor 43
- 3. Overheat thermostat 43
- 4. Flue limit thermostat 43
- 6. Gas valve 44
- 7. Syphon 44
- 9. PCB fuse 45
- 10.Transformer / PCB 45
- 13. Pressure switch 46
- REPLACEMENT OF PARTS 47
- (Grommet type) 48
- GAS CONVERSION 49
- ELECTRICAL WIRING DIAGRAM 50
- *Slow flash 51
- *Reset via the user control 51
- MAIN FUNCTION 52
- PROTECTION SYSTEMS 52
- Pack Number 56
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