G. Error Codes
When the control board detects an error, the display shows one of the following error codes in the display mode. Error codes other than E1 and E2 are displayed as "EE" at the time of occurrence. To see the actual error code, see the error log.
1.With the unit on, press and hold the "SERVICE 1" button for 3 seconds. Display changes to "n1".
2.Use the "SERVICE 1" and "SERVICE 2" buttons to move through the list until "h4" is displayed.
3.Press the "RESET" button to view the error log. Displays up to 5 errors with the most recent error first.
4.Press the "RESET" button to return to list. To clear error log history, press and hold the "SERVICE 1" and "SERVICE 2" buttons simultaneously for 5 sec.
5.Display returns to normal if no buttons are touched for 20 sec.
Error Codes
Error | Problem | Corrective Action/Reset Details |
Code |
|
|
|
|
|
E1 | Freeze Cycle Backup Timer | Check for inlet water valve leaking by, hot gas valve |
| Freeze cycle backup timer (Control Board Setting | leaking by, pump motor not pumping, thermostatic |
| 6) has terminated. | expansion valve not feeding properly, low charge, or |
| 45 min. after water tank starts to close in | inefficient compressor. |
| preceding harvest cycle, unit stops if the |
|
| evaporator temperature is above 32°F (0°C). | Press the "RESET" button to reset. |
|
|
|
E2 | Harvest Cycle Backup Timer | Check for open thermistor, HGV not opening, TXV |
| Harvest cycle backup timer has terminated. | leaking by, low charge, or inefficient compressor. |
| 30 min. after water tank starts to open in harvest |
|
| cycle, unit stops if harvest cycle termination | Press the "RESET" button to reset. |
| temperature (Control Board Setting 1) has not |
|
| been reached. |
|
|
|
|
EE | Water Tank Opening Backup Timer | Check actuator motor and control board. |
(E3) |
| |
| tank starts to open. | Press the "RESET" button to reset. |
| If actuator motor's internal position sensor |
|
| does not indicate water tank is fully open within |
|
| 3 minutes, display shows "EE" and unit stops for |
|
| 60 minutes. |
|
| If error recurs after unit resumes operation, |
|
| display shows "EE" and unit shuts down. |
|
|
|
|
EE | Water Tank Closing Backup Timer | Check actuator motor and control board. |
(E4) |
| |
| tank starts to close. | Press the "RESET" button to reset. |
| If actuator motor's internal position sensor does |
|
| not indicate water tank is fully closed within |
|
| 3 minutes, display shows "EE" and unit stops for |
|
| 60 minutes. |
|
| If error recurs after unit resumes operation, |
|
| display shows "EE" and unit shuts down. |
|
|
|
|
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