Manual

Control Operation-Service
E3: Thermistor 3 open.
E4:7KHUPLVWRURSHQ'RHVQRWDSSO\WRWKLVPRGHO
E5: Thermistor 1 shorted.
E6: Thermistor 2 shorted.
E7: Thermistor 3 shorted.
E8: 7KHUPLVWRUVKRUWHG'RHVQRWDSSO\WRWKLV
PRGHO
E9:'RRUORZHURSHQ
P1:3XPS&LUFXLWRSHQ'RHVQRWDSSO\WRWKLVPRGHO
15: CLEAR ERROR LOG
To clear errors, press and hold
VHFRQGVZKHQ
&/5LVɠDVKLQJ
16: THERMISTOR - 1 DIFFERENTIAL
7KLVQXPEHUVKRXOGQRWEHDGMXVWHG
17. Does not apply to this model.
18. THIS NUMBER SHOULD NOT BE ADJUSTED
19. THIS NUMBER SHOULD NOT BE ADJUSTED
 INDIVIDUAL COMPONENT TOGGLE
21. MODEL NUMBER INDICATOR
'LVSOD\VWKHWZRGLJLWPRGHOQXPEHURIWKHVSHFLɟF
unit. See Model list table.
22. LIGHT ALL LED SEGMENTS
This will illuminate all the LEDs on the display to
HQVXUHWKH\ZRUNSURSHUO\
23. ACTIVATE DEFROST /HARVEST
-Press and hold for 3 seconds to activate
24.
FACTORY DEFAULTS
-Press and hold for 3 seconds to restore all values to
factory defaults
25. MAIN SOFTWARE
26.
Does not apply to this model
27.
FACTORY TEST MODEL
 2ɞ 2Q
28.
COMPRESSOR RPM
29.
FREEZE TIME ADJUST (MODEL 54 ONLY)

HARVEST TIME ADJUST (MODEL 54 ONLY)
31.
LOW TEMP ALARM LIMIT (MODEL 55 ONLY)
32.
HIGH TEMP ALARM LIMIT (MODEL 55 ONLY)
Display # Relay / Output
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SEE RELAY / OUTPUT CHART
38