How to troubleshoot no text display on HDG Compact 25 Heating System?
If there is no text display shown on your HDG Heating System, the main circuit breaker may have tripped, the mains supply might not be connected, the Heating Emergency Stop could be switched off, or the main switch might not be turned on. Check the fuses, power supply, and main switch.
What to do if the HDG Compact 25 exceeds the number of ignition attempts?
If the number of ignition attempts has been exceeded on your HDG Heating System, the ignition fan, stoker auger, or combustion temperature sensor may be faulty. Also, the fill indicator could be stuck. Check the ignition fan, stoker auger, and combustion chamber temperature sensor. Verify material supplies, check the delivery auger and the fill level indicator.
Why is the safety thermostat activated on my HDG Compact 25?
If the safety thermostat is triggered in your HDG Heating System, it could be due to excessive boiler temperature, faulty wiring, or a faulty fuse F2 on the I/O circuit board. Allow the boiler to cool to under 90 °C, unscrew the protective cap from the STL and press the button. Have the STL line checked by a qualified electrician and replace fuse F2.
What causes the delivery system fill time to be exceeded in HDG Heating System?
If the delivery system fill time is exceeded in your HDG Heating System, it may be due to no material being available, a delivery system fault, or a faulty sensor. Check the material bunker and delivery system. Have a qualified electrician check the functioning of the fill level sensor.
What to do if HDG Heating System shows 'No text display Power supply OK'?
If the HDG Heating System displays 'No text display Power supply OK', the microfuse F3 on the I/O circuit board may be faulty, the data cable may not be plugged in properly, or the display itself could be faulty. Check the microfuse and replace it if necessary, check the data cable, and replace the display.
Why is the grate blocked down in my HDG Heating System?
If the grate is blocked down in your HDG Heating System, it could be because the grate is jammed, the limit switch is not correctly set or connected, or the grate motor is faulty. Check the grate mechanics and readjust the limit switch. Have a qualified electrician check the limit switch connection, and have a heating technician replace the grate motor.
Why is the grate blocked up in my HDG Compact 25 Heating System?
If the grate is blocked up in your HDG Heating System, it could be because the grate is jammed, the limit switch is not correctly set or connected, or the grate motor is faulty. Check the grate mechanics and readjust the limit switch. Have a qualified electrician check the limit switch connection, and have a heating technician replace the grate motor.
What to do if HC module 0 is not connected on HDG Heating System?
If HC module 0 is not connected in your HDG Heating System, the power supply may have failed, the bus cable may not be connected, or the bus cable may be fitted the wrong way around. Check the power supply and the connection of the bus cable.
Why does the grate open during operation in my HDG Compact 25?
If the grate opens during operation in your HDG Heating System, the limit switch may be faulty or incorrectly set, or the grate motor may be faulty. Test the functioning of the limit switch and the grate motor; replace the grate motor if necessary.
What does 'Safety circuit Emergency Stop' mean on my HDG Compact 25 Heating System?
If the 'Safety circuit Emergency Stop' is active on your HDG Heating System, the emergency stop has been activated. Unlock the emergency stop and acknowledge the fault by switching the main switch off and on.
General| Brand | HDG |
|---|---|
| Model | Compact 25 |
| Category | Heating System |
| Language | English |
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