41
TROUBLESHOOTING
ENG2036-16/01/19
7.2
UV ERROR
• The UV sensor is not detecting UV light to ensure safe water.
• Cold, sparkling, and ambient (room temperature) icons will be ghosted in the dispense screen.
COMMON TROUBLESHOOTING:
1.
UV lamp – a) Status; b) Intensity; c) Connections
2.
UV ballast – a) Status; b) Connections
3.
UV sensor – a) Status; b) Condition (temperature); c) Correct placement
4.
Quartz spiral – a) Inspect condition; b) Clean or replace.
5.
Water quality – a) Water must be clear with low turbidity and tannins to allow proper UV
transmission.
RESET the ERROR by turning OFF and ON after 5 seconds the
red
power switch.
7.3
HOT SENSOR ERROR
• System is detecting a problem with the thermistor;
• Heater will be shut off and hot and extra hot icons will be ghosted in the dispense screen.
COMMON TROUBLESHOOTING:
1.
Ensure thermistor is connected properly and fully installed in the hot tank.
2.
Replace thermistor (sensor).
RESET the ERROR by turning OFF and ON after 5 seconds the
red
power switch.
7.4
HOT TANK HEATING ERROR
• Rate-of-rise error has been detected;
• This avoids dry heat or tripping the thermal overload;
• Hot and extra hot water icons will be ghosted in the display screen.
COMMON TROUBLESHOOTING:
1.
Ensure hot tank is full of water by selecting hot icon and dispense until steady stream of
water flows to cup.
2.
Cycle power to see if error repeats (RESET).
3.
If error repeats and tank is full, check 7.3 hot sensor error.
RESET the ERROR by turning OFF and ON after 5 seconds the
red
power switch.
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