45
11 Fault finding
11.1 Boiler won‟t fire (no error message)
Notes;
1. When the switched live supply to the burner is activated, the burner display shows a cursor highlighted
beside the boiler thermostat symbol, as shown below.
2. Depending on the type of installation, insufficient pellets in the intermediate hopper will result in either of the
following;
a. Intermediate hopper controlling a bulk hopper feed system will
not
use the low level cut out system, the
burner will
display error message „FAILED PELLET LIGHTING‟ when the intermediate hopper has
insufficient pellets.
b. Intermediate hopper using the low level cut out system will switch the boiler to standby mode and the
burner
will display „WAIT BOILER THERMOSTAT‟ when the intermediate hopper has insufficient pellets.
3. Refer to diagram in section 7.1.2.
4. Refer to section 7 Electrical.
YES
NO
NO FAULT
-BOILER
WAITING FOR
SYSTEM TEMP.
TO DROP
CURSER BESIDE
THERMOSTAT
SYMBOL OF
BURNER DISPLAY
'BURNER' SWITCH
IN THE 'ON' MODE
OF THE BOILER
CONTROL PANEL
NO
= PRIMARY FAULT
= SECONDARY FOLLOW ON CHECKS
1
2
3
6
5
4
!
SET
RESET
SET 80°C
H2o 60°C
WAIT BOILE
WAIT BOILER THERMOSTAT
note 1
POSITION
'BURNER' SWITCH
IN 'ON' MODE
YES
NO
FILL HOPPER
SUFFICIENT
QUANTITY OF
PELLETS IN
HOPPER
YES
NO
TIMER AND OR
ROOM STAT
CALLING
ACTIVATE
TIMER AND OR
ROOM STAT
YES
NO
CHECK POWER
TO L2 OF
SUPPLY LEAD IN
REAR OF BOILER
CHECK
SWITCHED LIVE
SUPPLY TO
BOILER
(& HOPPER)
YES
NO
CHECK
CONTINUITY
BETWEEN T1 &
T2 OF BURNER
PLUG NO. ?
CHECK POWER
ACROSS BOILER
ON/OFF SWITCH
YES
CHECK POWER
AT 21 & 24 OF
BOILER RELAY
WITH COIL
ENERGIZED
NO
REPLACE
SWITCH
NO
REPLACE
RELAY
note 2
note 3
note 4
note 4
note 4
H2o TEMP>SET
POINT MINUS
DELTA RESTART
TEMP.
YES
Summary of Contents for Spira 6-26kW
Page 3: ...3 Grant SPIRA Condensing Wood Pellet Boiler Intermediate Hopper ...
Page 26: ...26 NO 1 NO 2 NO 3 GRANT WOOD PELLET 6 26 9 36 BURNER WIRING DIAGRAM FIGURE 7 4 ...
Page 53: ...53 12 Spare parts 12 1 Burner Burner controls Exploded view Fig 12 1 ...
Page 54: ...54 Burner Brazier Exploded view Fig 12 2 ...
Page 56: ...56 12 2 Boiler Exploded view Fig 12 3 SPIRA 6 26 boiler displayed Boiler parts list ...
