Panasonic NR-BN30PGW / NR-BN30PGB / NR-BN30PS1 / NR-BN30QGW / NR-BN30QGB / NR-BN30QW1 / NR-BN30QS1 Service Manual ▷ View online
3
Safety precautions
It is required to use separate, special outlet with securely grounding.
The power cable of this appliance is fitted with three-core (grounding) plug complying with
three-core (grounding) outlet. In no case, should the third plug pin (grounding) of the power cable
be cut or removed.
In case of unstable power supply or during cleaning, it is required to pull out the power
plug, and to wait at least 5 minutes for switching on it again to prevent damaging its
compressor by continuous starting.
compressor by continuous starting.
4
System Flow Chart
1 Schematic diagram of System Flow Char
t
2 Brief Description of System Flow Chart
Model NR-BN30** is a direct cooling single-system refrigerator.
When the refrigerator is just powered on, the refrigerant flows in the sequence:
When the refrigerator is just powered on, the refrigerant flows in the sequence:
Compress->-Condensation proof pipe ->Condenser -> Dry filter -> Capillary tube -> Evaporator > Compress
5
Circuit Diagram
1
Schematic Circuit Diagram
2 Brief Description of Control Principle
Model NR-BN30** is a no frost cooling system fridge freezer. An electronic type of all the control
is generally adopted. The control display panel on the fridge door controls the start and stop of
compressor, and the refrigerator temperature.
is generally adopted. The control display panel on the fridge door controls the start and stop of
compressor, and the refrigerator temperature.
6
Maintenance Service and Trouble Shooting
Maintenance Service and Trouble Shooting
1. No cooling
NO
YES
NO
YES
NO
YES
When charging refrigerant, we
must notice to make refrigerant true.
must notice to make refrigerant true.
No cooling
If compressor can
run after it stop to
run five minutes
and give power.
run after it stop to
run five minutes
and give power.
Check and repair according to
the section of "the compressor
the section of "the compressor
does
not work
".
If compressor can
run naturally and
temperature raising
of condenser is very
low
run naturally and
temperature raising
of condenser is very
low
Refrigerant leak. Check, repair
and charge refrigerant again.
Block by ice or dirty things, change
filter and change refrigerant again.