Tecnosystemi Blitz 510 DA - Troubleshooting Diagram - Steam Delivery; Steam Boiler Does Not Heat; Steam Delivery Pressure Switch

40
5B – Troubleshooting diagram for STEAM delivery electric
malfunctions.
PROBLEMA CONTROLLO RISULTATO RIMEDIO
Replace the steam boiler resistance
(see page 23/24 fig.39/40/41 of the
instruction, user and maintenance manual).
Use a voltmeter to make sure that
voltage is present on the pressure
switch micro between the common
wire (brown) and the normally open
wire (white).
YES
NO
Replace the relay
corresponding to the
steam resistance.
The machine
turns on, but
the steam boiler
does not heat.
Is the main steam switch on?
NO
YES
Try to rotate half-turn the screw on the pressure
switch by checking if the contacts of the
resistance steam R2 relay (4 wires) (see fig.38
page 25) are closed or not.
YES
NO
Miscalibrated pressure
switch
Replace the pressure switch with the
micro on it.
Is the resistance not heating yet?
YES
Turn the main switch
on.
Adjust the pressure
switch.