58
10.3 Quick Reference Sheet cont.
TruProtect
™
“
Advanced” Function “
Quick
” R
eference
Function / Feature
Description
Control Confirmation / Comment
Service Diagnostics Mode
To enter and exit Service Diagnostics Mode, press and hold the “
W
ARMER
” key
while pressing the “COLDER
” key four (4) times in five (5) seconds. Service Diag
-
nostics Mode will automatically exit after five (5) minutes of no keypad entry
.
Display Error Code Reference:
The microprocessor in the control continually monitors critical refrigeration system
components for proper operation. If component parameters exceed normal opera
-
tion specifications, the display will automatically flash the respective error code as
follows:
E1
Compressor Error (High/L
ow Amps)
E2
Condenser F
an Error (L
ow Amps)
E3
Upper Compartment “Sensor A
” Error (Out
-of-Range)
E4
Lower Compartment “Sensor B
” Error (Out
-of-Range)
Please call your dealer or Viking Customer Service if any of these codes are
displayed.
Service Diagnostics Mode enables service technicians to identify the firmware
and software versions, test status of “model specific” system components and
sensors, and change the state of components where applicable, (i.e. compres
-
sor on/off
, etc...). While in Service Diagnostics Mode, tests are incremented by
pressing the “SET” key
, and specific component states can be changed to “
ON”
and “
OFF
” by pressing the “
W
ARMER
” and “COLDER
” keys respectively
. The
following component tests are available:
Test #
Component Description
A
vailable Status Indicators
OK
Off/
Open
On/
Shorted
0
Temperature Sensor
, Upper
0-
00
01
1
Temperature Sensor
, L
ower
1-
10
11
2
Compressor
n/a
20
21
3
Condenser F
an
n/a
30
31
4
Compartment F
an, Upper
n/a
40
41
5
Compartment F
an, L
ower
n/a
50
51
6
Heater/F
an Assembly
, Upper
n/a
60
61
7
Heater/F
an Assembly
, L
ower
n/a
70
71
8
Door Sense
n/a
80
81
NO
TE
: The Door Sense is located between the Upper Compartment display and
the ON/OFF key and can be tested with any magnet.
2010 - Viking Preferred Service
SMR-0005
Summary of Contents for DFUW244CL
Page 6: ...Section 1 Introduction to Dual Zone 2010 Viking Preferred Service SMR 0005 ...
Page 10: ...Section 2 Dual Zone Characteristics 2010 Viking Preferred Service SMR 0005 ...
Page 16: ...Section 3 Refrigeration Systems 2010 Viking Preferred Service SMR 0005 ...
Page 27: ...Section 4 TruProtect Control Diagnostics 2010 Viking Preferred Service SMR 0005 ...
Page 30: ...Section 5 Mechanical System Components 2010 Viking Preferred Service SMR 0005 ...
Page 38: ...Section 6 Structural Components 2010 Viking Preferred Service SMR 0005 ...
Page 42: ...Section 7 Electrical Components 2010 Viking Preferred Service SMR 0005 ...
Page 50: ...Section 8 Control Components 2010 Viking Preferred Service SMR 0005 ...
Page 54: ...Section 9 Wiring 2010 Viking Preferred Service SMR 0005 ...
Page 57: ...52 J110 J111 J112 J2 J1 J4 J7 J3 9 3 Main Power Board 2010 Viking Preferred Service SMR 0005 ...
Page 58: ...9 4 User Interface 53 2010 Viking Preferred Service SMR 0005 ...
Page 59: ...Section 10 Reference Charts 2010 Viking Preferred Service SMR 0005 ...
Page 64: ...Section 11 Trouble Shooting Guide 2010 Viking Preferred Service SMR 0005 ...
Page 68: ...Section 12 Reference Photos 2010 Viking Preferred Service SMR 0005 ...
Page 71: ...2010 Viking Preferred Service SMR 0005 ...
Page 72: ...2010 Viking Preferred Service SMR 0005 ...
Page 74: ...2010 Viking Preferred Service SMR 0005 ...
Page 75: ...2010 Viking Preferred Service SMR 0005 ...
Page 76: ...2010 Viking Preferred Service SMR 0005 ...
Page 77: ...2010 Viking Preferred Service SMR 0005 ...
Page 78: ...2010 Viking Preferred Service SMR 0005 ...
Page 79: ...2010 Viking Preferred Service SMR 0005 ...
Page 80: ...2010 Viking Preferred Service SMR 0005 ...
Page 81: ...2010 Viking Preferred Service SMR 0005 ...
Page 84: ...2010 Viking Preferred Service SMR 0005 ...