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The lid can not be opened
Error
The lid can not be opened
The rotation display indicates "Lid closed" and the lid is closed.
Error cause
• Solenoid on lid lock is defective
• Loosen contact on plug S404 / Pin 1 and 3
• Power board (A1) defective
• Jumper for lid lock control is set on power board (A1), see
chapter 5.5
Measurement Remove Plug S404 and measure between Pin 1 and 3:
Solenoid ok: ≈ 5.7 kΩ
Solenoid defective: ∞ Ω
See also section 9.2.4.
Error code reset Release the lid by using the emergency release.
No display
Error No power supply on control board, no display
Error
consequence
No operation possible
Error cause
• No mains supply
• Power board (A1) defective
• Control panel (A3) defective
• Flat ribbon cable to control panel (A3) defective
• Overtemperature fuse F3 defective
Measurement 1. Mains supply power board A1 S402L to S402N
2. Power board A1 S501 Pin 1 (GND) to S501 Pin 4 (+5V)
3. Control panel A3 S502 Pin 1 (GND) to S502 Pin 4 (+5V)
4. Overtemperature fuse F3. Remove plug S405 and measure
directly at both flat connections of the overtemperature fuse:
Fuse OK : ≈ 0 Ω
Fuse defective: ∞ Ω. See also section 9.2.3.
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