CDA HCG 740 Users operating instructions User Manual download pdf (Page 39)

- 4.1 Blower does not work properly.

- 4.2 Frequency inverter does not work properly.

5. Five pulses of light on red LED. D21 (fig 47)

Effect: The oven operates, but ignition is abrupt. The blower does not reach the minimum ignition

speed.

Possible causes:

- 5.1 Blower does not work properly.

5.2 Frequency inverter does not work properly.

6. Continuous light in red LED D21. (fig 47)

Effect: The oven does not ignite.

Possible causes:

- 6.1 Faulty ignition control, or broken internal ignition control fuse.

7. All LEDs off. D21 (fig 47)

Possible causes:

7.1 Check fuse.

7.2 Faulty inverter.

fig 46

Red LED

D21

Connector J2

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CDA HCG 740 Users operating instructions User Manual Page 39