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USER GUIDE
SERVICE MODE GUIDE
0. Exit
1. Thermistor 1 temperature not including offsets.
2. Thermistor 2 temperature not including offsets.
3. Thermistor 3 temperature not including offsets.
4. Thermistor 4 temperature not including offsets.
5. Thermistor 1 offset. (+/- 10)
6. Thermistor 2 offset. (+/- 10)
7. Thermistor 3 offset. (+/- 10)
8. Thermistor 4 offset. (+/- 10)
9. Thermistor 2 set point
10. Thermistor 3 set point.
11. Thermistor 4 set point.
12. Defrost Interval (0 to 99 hr)
13. Defrost duration (0 to 99 min)
14. Error Log (See Appx D)
15. Clear error log (hold light key until cleared)
16. Thermistor 1 differential (+5)
17. Thermistor 3 differential (+5)
18. Evaporator fan on delay (0 to 99 sec)
19. Evaporator fan off delay (0 to 99 sec)
20. Individual component toggle
- Option #0 – Exit
- Option #1 – Relay 1
- Option #2 – Relay 2
- Option #3 – Relay 3
- Option #4 – Relay 4
- Option #5 – Relay 5
- Option #6 – Relay 6
- Option #7 – DC Output 1
- Option #8 – DC Output 2
- Option #9 – DC Output 3
- Option #10 – DC Output 4
- Option #11 – DC Output 5
- Option #12 – Serial output (Compressor)
21. Model number
22. Light All Segments
23. Activate Defrost/Harvest- press and hold for 3 seconds
to activate defrost/harvest
24. Defaults- press and hold for 3 seconds to restore all
values to factory defaults.
25. Main Software (Display only)
26. Live Log Period (frequency that data is output to
diagnostics port)
27. Factory test mode (0=Off, 1=On)
28. Compressor RPM
29. Freeze time adjust (Model 54 only)
30. Harvest time adjust (Model 54 only)
31. Low temp alarm limit (Model 55 only)
32. High temp alarm limit (Model 55 only)
Control Operation-Service
SERVICE MODE GUIDE
1.
THERMISTOR 1 — ZONE
This shows the pure thermistor reading with no offsets
taken into account.
2.
THERMISTOR 2 — EVAPORATOR
This shows the pure thermistor reading with no offsets
taken into account.
3.
Does not apply to this model.
4.
Does not apply to this model.
5.
THERMISTOR 1 — ZONE OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
This calibration is only to be used if actual
temperature at thermistor #1 is off from set point.
By adjusting the offset higher we can force the unit
to drive the temperature down below the set point.
(example: adjusting from 0 to +2 will drop the unit
temperature 2 degrees)
6.
THERMISTOR 2 — EVAPORATOR OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
7.
Does not apply to this model.
8.
Does not apply to this model.
9.
THERMISTOR 2 — SET POINT MINUS OFFSET
This shows the thermistor reading with offsets taken
into account.
10. Does not apply to this model.
11. Does not apply to this model.
12. ADJUST DEFROST INTERVAL — 3 TO 24
HOURS
This will adjust the interval between defrosts from
3 to 24 hours. Adjusting from the factory settings
may cause undesired temperature in the refrigerator
section.
13. ADJUST DEFROST DURATION — 0 TO 99
MINUTES
The length of the defrost can be adjusted 0 to 99
minutes long. The other defrost parameters still apply.
Lengthening a defrost may cause higher than normal
temperatures in the refrigerator section.
14. VIEW ERROR LOG
A list of errors in the order they occurred will scroll
on the display. All errors are logged in memory. Only
door error is displayed on the display and has an
audible signal.
E0: Door 1 (upper) open.
E1: Thermistor 1 open.
E2: Thermistor 2 open.
40
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Table of Contents
Troubleshooting
