Shut-Down; Temporary Shut-Down With Frost Protection; Permanent Shut-Down Without Frost Protection; Fault-Finding - REMEHA Quinta 45 Technical Information

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
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 45/65
Actions
Replace if necessary,
but check what circuit
it was protecting and
rectify if faulty
If yes, follow instruc-
tions in the table, ref.
Par. 10.2.
Go to point 4.
try to find the cause of
the fault, using opera-
ting mode shown.
Yes, check external
control 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.