Henny Penny PFE-590 Operator's Manual page 42

3-15. SPECIAL PROGRAM MODE
(Continued)
3-23
Tech I/O Mode
1. Press and hold the FUNCTION button for two seconds until
"REG PROGRAM" shows in the display. As soon as
"REG PROGRAM" shows in the display, press and release
the FUNCTION button 4 times until "TECH I-O" shows in
the display.
2. When "CODE" shows in the display, press 2-4-6 (1-7-7-6
for CE units). "HEAT', "PRESSURE", and "PUMP"
shows alternately in the display. Also, the LEDs over 1, 2
and 3 flashes alternately.
3. To test the heat circuit, press and hold the 1 button.
4. To test the pressure system, press and hold the 2 button.
5. To test the pump system, press and hold the 3 button.
Model PFE- 590/592
403