Operation manual SR25
February 2017
Page 31
Coffed BDH | ul. Ceramiczna 28 | 64-
920 Piła PL | tel+48 67 214 26 29 | www.coffed.pl
The machine has stopped
The safety devices included are two EMERGENCY STOP buttons and a MAIN SWITCH. Each of them
allows the machine to be shut down at any time during operation.
If the machine has stopped, check if the EMERGENCY STOP button has not been pressed or that the
power supply has not been interrupted.
Stopping of one of the motors and / or lack of response to the control system
After determining which motor has stopped or cannot be switched on, check the safety devices. They are
located in the electrical cabinet.
Check whether any of the overcurrent switches (Q) and / or the thermal triggers have tripped. If you have
not noticed any problems with the above mentioned electrical devices, check the control system and
diagnose the cause of the fault.
WARNING!
All work carried out on components powered by 400V AC must be performed by a qualified person.
The burner does not ignite
Check if the gas flows into the system and then whether the ignition system is working properly or not.
The burner flame keeps fading
This can be a sign of gas interruptions, insufficient pressure or malfunction of the flame control system.
First check the gas supply of the burner.
Perceptible gas smell
As soon as the personnel handling the appliance smells the gas, immediately switch off the appliance with
a main switch and ventilate the room. In the event that these actions do not work, close the main gas valve
on the power supply of the device and call the person having the required authority and equipment to check
the gas system tightness.
Abnormal sounds in the mechanical system
Determine where the sounds come from during operation, and then check that there are no malfunctions
requiring immediate intervention.
6. REPAIRS
Before any interference in the device, turn off the power. Repairs should be carried out by personnel of the
appropriate knowledge and, if required authorisations. When replacing used items, new parts must be
used. It is permissible to use alternatives of other manufacturers, where they are identical parts in principle
of operation and dimensions.
WARNING!
It is unacceptable to perform any modifications on the SR25 coffee roasting line.
Any modification of the device will result in the loss of warranty and liability of Coffed BDH.
