Fan Speed 1 Wrong; Fan Speed 2 Wrong - Henny Penny SmartCombi ESC 615 Troubleshooting Manual

SmartCombi™ Service
Error „Fan speed 1 wrong": Concerns 6.x / 10.x / 20.x
Error „Fan speed 2 wrong": Concerns 20.x (lower fan)
Description:
The fan runs in the slow mode in a fast speed.
The fan runs in the fast mode in a slow speed.
In case of over temperature or over current at the frequency controller, the fan speed will be reduce
automatically. After cool down, the controller works in normal mode again.
The error appears if the fan speed is lower than 1250 rpm (fast speed mode) or 300 rpm
(slow speed mode).
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
Works the mode " left fast "?
Yes
Continuation on the
next page

Fan speed 1 wrong

Fan speed 2 wrong

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
22