— 10 —
NC-HU301P, NC-HU401P
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Thermal fuse Comp.
Is there connection between the white lead wire on the peg
frame and the CN3 connector of the control unit A? (0
Ω
)
Replace the Thermal fuse
comp.
Keep warm heater
Is there connection between yellow lead wire on heater
terminal and blue and orange led wires? (Approx.133
Ω
)
Replace the Container comp.
Power cord
Is there connection in the power cord? (0
Ω
)
Replace the Power cord.
Lead wire assy. E
Is there connection in the lead wire assy. E? (0
Ω
)
Replace the Lead wire assy. E.
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comp. (operation)
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comp. (bottom)
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Boiling heater
Is there connection between yellow lead wire and blue •
orange lead wire? (11
Ω
)
Replace the Container comp.
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comp. (operation)
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comp. (bottom)
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Is the filter (located at the bottom of the container) clogged?
Clean up or replace the filter.
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Long Boil/Reboil pad.
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Themistor assy. comp.
Is there connection between blue lead wire and blue lead
wire? (Approx. 45
Ω
when approx. 20°C)
Replace the Thermistor assy.
comp.
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comp. (bottom)
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comp. (operation)
3.5. Failure Diagnostics Chart
3.5.1. No power (No indication, no pouring)
The items in the Check correspond to those shown in Check Point on P.9.
3.5.2. Water is not boiled. (Water pours out)
The items in the Check correspond to those shown in Check Point on P.9.
3.5.3 Hot water cannot poured out or water flow is obstructed. (Water is boiled)
Check point
The items in the Check correspond to those shown in Check Point on P.9.
3.5.4. Long Boil/Reboil LED and 98 keep warm LED are lighted up alternately.
(Overheating protection mode/Bottom thermistor disconnection mode)
Check point
The items in the Check correspond to those shown in Check Point on P.9.
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Electric pump
Turn the 100V power on, and pres the Lock/Unlock pad
rst
and then the Pour Out pad. Is the motor heard running?
Replace the electric pump.
Lead wire assy. E comp.
Is there connection in the Lead wire assy. E? (0
Ω
)
Replace the Lead wire assy. E.
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(operation).
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(bottom).
