COFFEtek VITRO S3 RANGE - Fault Finding Guide

COFFEtek LTD
57
28/02/2017
Revision 1
VITRO S3
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) 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) Dry probe and check
No motor operation
(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
(b) Temperature probe fault
(c) MPU Board fault
(d) Short on solid state
relay
(a) Reset desired
temperature setting
(b) Replace probe
(c) Replace MPU board
(d) Replace relay
Heater tank
a) Probe open circuit
(a) Check probe circuit