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$6 Hydraulic pressure sensor open
b
Maximum flue gas temperature has been exceeded. The boil-
er module shuts down for 150 seconds, followed by a restart.
If the flue gas temperature rises 5° above the maximum flue
b
%@
gas temperature, a lockout follows with code 52 (see sec-
tion 14.4).
61 Air pressure differential sensor not opening
b
If hydraulic pressure sensor has been connected (optional):
water pressure is too low. The control unit shuts down when
the minimum water pressure is reached. The shut-off is lifted
b
^@
when the water pressure returns and the control unit returns
to normal operating status.
Shut-off input is open. When the input is closed, the shut-off
b
88
is lifted.
Maximum acceptable difference between boiler shut-off
temperature and flow temperature has been exceeded. The
boiler module shuts down for 10 minutes, after 5 consecutive
b
($
start attempts within one heat demand command the shut-off
is recorded in the failure register as a fault, the boiler module
does not go into failure mode.
Boiler release contact is open.
b
((
table 24 Shut-off codes
Remeha Gas 610 ECO
- Check the connecting cable of the
hydraulic pressure sensor
- The hydraulic pressure sensor is
defective or not connected
- The set maximum flue gas tempera-
ture
- Boiler module adjustment
- Boiler module for fouling.
Air pressure differential sensor not
opening Check the following:
- Is the air pressure differential switch
defective
- Has the wiring short circuited
- Check for signs of external thermal
draught in the flue gas discharge
duct.
- Refill boiler/system to the correct
pressure
- Sensor defective
- Wiring defective
- Hydraulic pressure sensor not con-
nected but has been activated.
Remove the cause of the shut-off.
- Flow
- Pumps
- Three-way valves
- Boiler release contact on butterfly
valve not made
- Boiler release contact on terminal
strip not connected (if boiler release
contact is not used)
56
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