Troubleshooting
10
Logamatic 2107 controls - We reserve the right to make any changes due to technical modifications.56
Fault table
Fault message Effect Remedy
BURNER ERR
Burner system fault
– The heating stays cold
Reset the burner as described in the boiler or burner
documentation.
HEATING ERR
– The heating system stays
cold
– The boiler stays cold.
– The electronic circuit is
faulty.
– The boiler water
thermostat is set too low.
– The high limit safety cut-
out has responded.
z Consult your local heating contractor.
DHW PROD ERR
DHW
– No domestic hot water.
available.
z On the controls, switch the emergency mode
switch to "Manual".
In emergency mode, the heating system works
without the electronic program. The boiler water
temperature determines the DHW temperature.
The DHW priority circuit has not effect.
z Turn the boiler water thermostat to 140°F (60°C).
z Consult your local heating contractor.
WARNING!
RISK OF SCALDING
The DHW temperature can be set to a
maximum of 194°F (90°C). At DHW
temperatures over 122°F (50°C) there is a
risk of scalding at the taps if the DHW line
has no thermostatic mixing valve installed.
z If the DHW temperature is set to above
122°F (50°C), you should only draw off
mixed hot and cold water.
USER NOTE
No DHW can be produced if the DHW tank
charging pump is defective, even in
"emergency mode".
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