Troubleshooting - Panasonic KM-DU73Y1 Operating Instructions Manual

TROUBLE SHOOTING
If the unit malfunctions, check out the following before calling for service.
Malfunction
The chamber is not cooled
at all
The cooling is poor
Alarm test key cannot
actuate the alarm
Note:
If the malfunction is not eliminated after checking the above items, or the malfunction is not shown in the
above table, contact our sales representative or agent.
The circuit breaker of power source is active.
The voltage is too low (In this case, call an electrician).
The power is not supplied.
The breaker is free.
The large amount of articles (load) is stored in the chamber at one
time.
The ambient temperature is too high.
The inner door latch is not closed completely. The outer door is
not closed firmly. (The frost or ice between the cabinet and the
magnetic door gasket possibly prevents door seal.)
The air intake vent is blocked.
The condenser filter is clogged.
filter when the filter check lamp is lit.
The outer door is not shut tightly.
The inner door is not installed correctly.
The set temperature in the controller is not set properly.
The freezer is in the direct sunlight.
There is any heating source near the freezer.
A rubber cap and insulation are not set correctly on the access
port.
You put too many unfrozen articles into the chamber.
The alarm is activated only when the power switch is ON.
When only the buzzer or only the alarm is actuated by the alarm test
key, the unactuated part is out of order, and must be replaced.
26
Check/Remedy
Always clean the condenser