VN2020 Fault Indication

Fault location of VN2020

The displayed faults can be resolved by the customer or alternatively by an authorized Schaller service partner. The error codes and troubleshooting steps are listed in their order of priority below. The specified work steps must be carried out one after the other, if the first work step in each case has not resolved the error code.

Error code:__ | All LEDs off

Error code: 02 | Internal error

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Error code: 03 | Internal error

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Error code: 04 | internal error

Error code: 05 - 07 | Internal error

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Error code: 08 | Electronics temperature too high (>75°C)

Error code: 09 | Electronics temperature too low (<0°C)

Error code: 10 | Ambient temperature too high (>75°C)

Error code: 11 | Ambient temperature too low (<0°C)

Error code: 12 | Internal memory checksum error

Short description: 1. Replace battery in the measuring head – Part in service kit for VN2020, part no.: 155004

2. Replace measuring head

Error code: 13 | Optical sensor dirty

Error code: 14 | Supply pressure not within permissible range

Error code: 15 | Optical sensor very dirty - cleaning must be carried out

Error code: 16 | Internal error

Error code: 17 | Internal memory checksum error

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Error code: 18 | Battery voltage too low

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Error code: 19 | Reset button faulty

Error code: 20 - 31 | Internal error

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Error code: 32 | Power supply not within permissible range

Error code: 33 | Supply pressure too high

Error code: 34 | Internal error

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