Dd. Warm Or Normal Freezer Temp. In Bf/I-2 With "Ee" Displayed And "Service" Flashing - Sub-Zero 700-2 Series Service Manual

Integrated (
Integrated (
PROBLEM
(Continued)
BB. Warm Refrigerator Temp.
in Both Drawers of BR-2
without "SERVICE" Flashing
(See Pointers on previous page)
CC. Warm or Normal Refrig.
Temp's in Both Drawers of
BR-2 with "SERVICE"
Flashing on the LCD
DD. Warm or Normal Freezer
Temp's in BF/I-2 with "EE"
Displayed and "SERVICE"
Flashing
2) Series
2) Series
700-
700-
POSSIBLE CAUSE
Evaporator Fan Fault
a. Fan blade obstructed or out of position
b. Evaporator fan assembly out of position
c. Evaporator. fan motor disconnected
d. Evaporator fan motor defective
(NOTE: Compressor must be running)
e. Faulty Reed Switch
(NOTE: Compressor must be running)
Compartment Thermistor Misread
Evaporator Heavily Frosted
a. Drawer ajar
b. Evaporator fan fault
c. Compartment thermistor misread
Power to Compressor Fault
Sealed System Fault
• Sealed System Leak
• Sealed System Restriction
• Inefficient Compressor
Evaporator Thermistor Disconnected or
Shorted
Freezer Compartment Thermistor
Disconnected or Shorted
8-25
Troubleshooting Guides
TEST / ACTION
a. Move obstruction or reposition blade.
b. Make sure evaporator fan assembly is in
grooves of fan shroud and there is no play
from front to back. Reposition if out of posi-
tion.
c. Check electrical connections from motor to
P9 on control board. Reconnect / repair
bad connections.
d. Check for 115V AC at fan motor with Reed
Switch depressed. Replace motor if defec-
tive.
e. Check for 24V AC from P2 on control board
to Reed Switch, depress switch and check
for 24 V AC from Reed Switch. Replace
Reed Switch if defective.
two Reed Switches.)
Low Voltage Circuit.
Do NOT apply 115V AC.
Check resistance of freezer compartment
thermistor in Reed Switch for 30,000 to
33,000 ohms at 32°F. Replace Reed Switch
if defective.
a. See Drawer Ajar on previous page.
b. See Evaporator Fan Fault above.
c. See Thermistor Misread above.
Check for 115V AC at P14 on control board.
Replace control board if defective.
See Sealed System Troubleshooting Guide
Check refrigerator evaporator thermistor
electrical connections from thermistor to P1
on control board. Reconnect / repair con-
nections. Check resistance of refrigerator
evaporator thermistor for 30,000 to 33,000
ohms at 32°F. Replace if defective.
Check freezer compartment thermistor elec-
trical connections from thermistor to P1 on
control board. Reconnect / repair connec-
tions. Check resistance of freezer compart-
ment thermistor for 30,000 to 33,000 ohms
at 32°F. Replace if defective.
#3756780 - Revision D - July, 2005
(NOTE: there are