Ensbury LT 70 - 580
We reserve the right to make changes to dimensions and construction
23
edition 12.2020
Hamworthy Heating Limited – Dorset BH17 ONF
8.3. First steps to take in case of failure
In the event of system operational failure, perform the checks in the table below. Also check the governor set-up.
If the failure cannot be eliminated, call a reliable engineer or your support service.
Problem
Possible cause
Solution
Burner not functioning
No power
Check fuse, switch on main or safety
switch. Connect supply and burner plug
Burner LED is on
Press burner reset button
No oil
Gas pressure insufficient
Add oil
Call the gas board
Overheat temperature LED is on.
Safety thermostat has come into
operation
Fix the cause, wait until temperature has
dropped below overheat setpoint then
reset the safety thermostat by pushing in
the pin
External default LED is on.
Fix the cause
Heating elements fail to heat up Incorrect operation type setting on
governor
Set up type of operation and heating
program
Circulation pump blocked
Remove locking screw, turn shaft until
no more resistance is left
Water level or system pressure
Top up and ventilate
Shut off elements on supply and
return lines closed
Open
Содержание Ensbury LT 70
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