Diagnostic Mode Indicators; Error Code Table - Sub-Zero 601R-2 Technical & Service Manual

Built-In
Built-In

Diagnostic Mode Indicators

If "EE" is observed in the left display area during Diagnostic Mode, the thermistor in that location is open or shorted,
or there is a break in that thermistor's wiring (See Figure 3-41).
SERVICE
ICE OFF
Figure 3-41. "EE" Observed in Diagnostic Mode = Thermistor (or its wiring) Fault in Location Indicated
If "Sr" is observed in the left display area when Diagnostic Mode is initiated, the unit is in Showroom Mode, which
was explained earlier in this section (See Figure 3-42).
SERVICE
ICE OFF
Figure 3-42. "Sr" Observed While in Diagnostic Mode = Unit is in Showroom Mode
If "EC" is observed in the right display area during Diagnostic Mode, numbers at left are "Error Codes" (See Figure
3-43). Error Codes indicate problems logged by specific components. If error codes are logged, they will appear
before temperature readings and can be toggled through with the temperature readings as described on the previ-
ous page. (See Error Code Table below and instruction on how to clear Error Codes on the next page.)
SERVICE
ICE OFF
CODE INDICATION
05 Refrig. Cabinet Thermistor read open or shorted for 10+ seconds, or repeatedly read erratic temp's
06 Refrig. Evaporator Thermistor read open or shorted for 10+ seconds, or repeatedly read erratic temp's
07 Freezer Cabinet Thermistor read open or shorted for 10+ seconds, or repeatedly read erratic temp's
08 Freezer Evaporator Thermistor read open or shorted for 10+ seconds, or repeatedly read erratic temp's
20 Defrost Under-heat with No Voltage Feedback Through Gray/White Wire at Defrost Start
21 Defrost Overheat
22 No Voltage Feedback Through Gray/White Wire at Defrost Start
23 Defrost Overheat with No Voltage Feedback through Gray/White Wire at Defrost Start
24 Defrost Under-heat
30 Excessive Icemaker Water Valve Solenoid Activation (Exceeded 15 Seconds)
40 Excessive Freezer Compressor Run
50 Excessive Refrigerator Compressor Run
2
2
(600- )
(600- )
Figure 3-43. Numbers at Left with "EC" at Right = Error Code
(See Table Below and How to Clear Error Codes on next page)
Series
Series
FREEZER COLDER WARMER COLDER
FREEZER COLDER WARMER COLDER
FREEZER COLDER WARMER COLDER

Error Code Table

3-21
Electronic Control System
ICE
WARMER REFRIGERATOR
ON/OFF
ICE
WARMER REFRIGERATOR
ON/OFF
ICE
WARMER REFRIGERATOR
ON/OFF
#3758407 - Revision B - August, 2006
UNIT
ON/OFF
ON/OFF
UNIT
ON/OFF
ON/OFF
UNIT
ON/OFF
ON/OFF