Fan Direction - Henny Penny SmartCombi ESC 615 Troubleshooting Manual

SmartCombi™ Service
Error description:
The fan turns at least in one mode in the wrong direction.
Troubleshooting:
Enter the service menu and select „8 fan test" and check all four fan modes. The fan speed and the direction of rotation
appears on the display as a confirmation. The selected direction of rotation must agree with the displayed reply
Ja
(L or R).
Attention! The front panel and the door must be closed. Otherwise the door contact switch is open.
Carry out step 8 „fan test" in the
service area. At least one of the four
fan modes does not work correct.
Works the mode " right slow "?
Yes
Works the mode " right fast "?
Yes
Works the mode " left slow "?
Yes
s the mode " left fast "?
Explanation:
K2 energizes D0
K3 energizes D1
K5 energizes D2
Fast speed mode:
x.1 approx. 1450 rpm
x.2 approx. 1600 rpm
Medium speed mode:
x.1 approx. 750 rpm
x.2 approx. 1000 rpm
Slow speed mode:
x.1 approx. 450 rpm
x.2 approx. 600 rpm

Fan direction

Check the function of relay K3 and K5 with the help of the relay
test. (Voltage measurement at the respective outputs). If one of the
relays is broken, the „reserve relay" function can be used.
No
Exchange relay pcb if necessary
Check the function of relay K3 with the help of the relay test.
(Voltage measurement at the respective outputs). If the relay is
broken, the „reserve relay" function can be used.
No
Exchange relay pcb if necessary
Check the function of relay K2 and K5 with the help of the relay
test. (Voltage measurement at the respective outputs). If one of the
relays is broken, the „reserve relay" function can be used.
No
Exchange relay pcb if necessary
Check the function of relay K2 with the help of the relay test.
(Voltage measurement at the respective outputs). If the relay is
broken, the „reserve relay" function can be used.
No
Exchange relay pcb if necessary
Fan mode
Right slow
Right medium
Right fast
Left slow
Left medium
Left fast
1 = 230V measured against N
0 = no voltage
Input
D2 D1 D0
1 1 1
1 1 0
0 1 0
1 0 0
1 0 1
0 0 1
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