Thermoplan BLACK&WHITE 3 FOX2 Technical Manual page 10

User messages
Text message
v.
RF temp
too high
w.
Flow error
x.
Change filter
y.
Piston Error
z.
NTC Coffeeboiler
open
aa.
PM required
© 2010 Thermoplan AG, Subject to change
Technical Manual
Reason / solution
• Info message, refrigerator temp is higher than 4 °C
– if on short notice, only as info / check if refrigerator door is closed
– if permanent, check refrigerator for function (place hand on left inner side)
– Check the refrigerators temperature sensor
• Flow meter impeller is not rotating
– Obstruction inside flow meter or water path
• Flow meter sensor does not read magnetic contacts on impeller
– Pins on electrical plug are not connected or corroded
• No water pressure on machine
– Check water pressure
• Change hydraulic module
• Water filter is saturated.
Dispensing of products still possible.
– Change water filter
– Reset counter
• Obsturcted 24V piston motor
– Check brew chamber and shaft for contamination or obstruction
• 24V piston motor has no impulse
• 24V piston motor has no 24VDC
• Change mechanical module
• CPU does not read NTC probe signal
– Check for defective wiring on hydraulic module NTC probe
Note: „NTC Coffeeboiler Open" message automatically appears on the display
when the machine is on and the hydraulic module is removed.
• Change hydraulic module
• Machine has reached a preprogrammed number of brew cycles
– Perform preventative maintenance as required
– Reset counter
REV-0
SECTION 6
6.10