COFFEtek VITRO RANGE - FAULT FINDING GUIDE; Fatal I²C Error and Keypad Issues; Drink Temperature and Motor Operation Issues

24 OPERATORS MANUAL VITRO LINE
FAULT FINDING GUIDE
FAULT
POSSIBLE CAUSE
ACTION
FATAL I
2
C
ERROR Displayed
(a) Electrical noise
(b) MPU Board fault
(c) Software error
(a) Check motors
(b) Replace MPU Board
(c) Reset power
Keypad does not
bleep
(a) Keypad damaged
(b) Keypad disconnected
(c) MPU Board fault
(a) Replace keypad
(b) Reconnect
(c) Replace MPU Board
Drinks cold
(a) Heater fuse blown
(b) Thermal cut-out tripped
(c) Desired temperature
incorrectly set
(d) Excessive scaling in heater
tank
(e) Solid state relay fault
(f) Low cut-out in program
incorrectly set
(g) Temperature probe wet
(a) Check and replace
(b) Reset trip
(c) Check desired temperature
setting
(d) Check tank and descale if
necessary
(e) Check relay
(f) Reset low cut-out setting
(g) Dry probe and check
for leaks.
No motor
operation/machine
resetting on drinks
(a) Jammed motor
(b) Power Supply failure safety
trip
(a) Check motor operation
(b) Reset power
Machine
inoperable; no
display
(a) Power Supply failure
(a) Replace Power Supply
Board
Heater tank not
filling
(a) Low water pressure
(b) Inlet valve fault
(c) MPU Board fault
(a) Check water pressure
(b) Check inlet valve
(c) Replace MPU Board
Heater tank boiling
over
(a) Incorrect desired
temperature setting
(a) Reset desired temperature
setting