Service manual FB 7100 Programming
January, 2005 4- 83
4.3.11.4 Water/Power/Heat
The Water/Power/Heat submenu checks the VMC (Vending Machine
Controller) by performing test runs of the water sensors, the pump, the
water heater, the fan, the whippers, the valves and the IN motors.
General error
message
The following message may occur in all of the submenus of the Water/
Power/Heat menu. ‘No response from VMC. Check comm. and PCB.
The message appears if nothing has happened within 20 seconds after the
start of the test.
Possible causes: Wittlink error, defective print. Perform the Wittlink test
(see first test of the Diagnostic/Test menu) and/or check print.
Coin return motor Performs a test run of coin return motor.
After a successful test the message ‘Motor and switch
working correctly’ is given.
If the test is not successful, either the general error
message mentioned at the beginning of this section or
the following message will appear in the display:
• “Switch or motor not correctly connected”
Possible causes:
- Motor disconnected, defective wire, defective
motor, defective switch. See how the coin
mechanism is removed in chap. 5G, page 5G-2.
- Defective SPC.See how SPC is replaced in chap.
5K, page 5K-13
- Foreign body is blocking the movement of the coin
return motor, e.g. if the coin mechanism has been
incorrectly installed.
Sub menu Description
v Sel Esc^
User interface
* Water/Power/Heat
Freshbrewer 1
Sub menu Description
Water sensors Status of the following sensors is shown:
• Temperature sensor: current temperature shown.
• Water level sensor: status OK or low.
• Solid waste sensor (in coffee waste bucket): status
On or Off.
• Liquid waste sensor (in waste bucket or drip tray,
depending on machine type): status On or Off.
Pump on/off Tests if the pump is running correctly by turning it on
for two seconds.
Heater on/off Tests if the heater is functioning correctly by turning it
on for five seconds.
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