F3Dn Service Manual Refrigeration / Section 4.1
For Technical Support, Call 800-537-2653. Copyright
2006 Franke, Inc. All rights reserved.
4.1 Basic [Operator] Refrigeration Maintenance
[Before attempting service failure diagnosis or component
repairs, verify basic operator maintenance has been done.]
PROBLEM:
Freezer is running but will not reach 0
°
F [-18
°
C]
or lower. High temperatures caused by a dirty condenser coil
or extreme ice buildup may cause the freezer to function
improperly, not maintain temperature or cease operating.
1)
Open the freezer compartment door and verify that it has
been defrosted. If significant ice buildup is present, turn
OFF main power, open the freezer compartment door
and allow the ice to melt.
2)
Check freezer door gasket for damage. If damage is
found, see Section 2.2 Door Gasket Replacement.
3)
Remove the top-right side louvered access panel. [Lift up
and pull out.]
4)
Inspect the Condenser Coil Filter. If dirty, wash in sink.
Allow the filter to dry completely before replacing.
5)
Inspect the condenser coil to ensure it is clean and free
of dust and debris. If it is dirty, clean it with a soft bristle
brush or portable vacuum.
6)
Test unit for operation within 0
°
to -10
°
F or -18 to -23
°
C
normal operating temperature range.
7)
If these steps correct problem, notify unit manager of
problems noted with crew cleaning or operator
preventative maintenance. If problem persists, see
Troubleshooting Guide and Sections 3.8 and 4.2 - 4.9.
PROBLEM:
The Freezer will not run when turned ON.
1) Verify unit is plugged in to correct voltage power supply.
2) Check circuit breaker for that outlet or use a test meter to
verify power at outlet.
3) If these simple steps return unit to service, notify unit
manager of fix.
4) If unit is plugged in, turned on and power is present at the
outlet but Refrigeration System will not power-up, see
Troubleshooting Guide and Sections 4.4 through 4.9.
[Photo 1]
To inspect condenser coil and
coil filter, remove louvered
access panel on right side near
unit top.
[Photo 2]
Inspect the condenser coil filter.
If dirty, wash in the sink and
allow to dry before replacing.
Rev. 2 11/06
Ø
CAUTION
Avoid contact with fins on the condenser coil and any
refrigeration lines. The fins are very sharp and can cause
cuts. Certain refrigerant lines can be very hot and could cause
burns to exposed skin. The use of gloves is recommended.
