REMEHA Quinta 30 Technical Information page 52

9.2 Shut-down
9.2.1 Temporary shut-down with frost protection
- do not isolate the electric power supply
- do not close the gas cock.
- use the switch function, see Par. 6.1.3.
9.2.2 Permanent shut-down without frost protection
- Set system controls to off
- Isolate the electric power supply
- Close the gas cock.
10 FAULT-FINDING
10.1 General (all installations)
Check the following, in sequence (by service engineer):
Step Signs
1 Boiler display is blank. The mains voltage 230 V
2 Boiler display shows a
fault code
3 Boiler display shows
operating code
(see Par. 6.3)
4 Use boiler manual
override.
(see Par. 6.1.3)
5 Override external
controls by fitting a
link across terminals
3 and 4 of the boiler
terminal strip
57117.indd 52 57117.indd 52
Check points
The fuse in the euro- con-
nector
The control box fuses
For flashing digits
0 (no heat demand)
1 to 9, h, l, b
Does the boiler start up?
Does the boiler start up?
52
Remeha Quinta 30
Actions
Replace fuse if neces-
sary, but check what cir-
cuit it was protecting and
rectify if faulty.
If yes, follow instructions
in the table, ref. Par.
10.2.
Go to point 4.
try to find the cause of
the fault, using operating
mode shown.
Yes, check external con-
trol and wiring, or go to
point 6.
No, go to point 5.
Yes, check boiler para-
meters. If all OK, then
replace control box.
No, repeat point 3,or go
to point 6.
1-4-2009 14:35:54 1-4-2009 14:35:54