WHILL C2 / F fault code 42: LED error

Code42 CONFIRMED
MeaningLED error
ControllerC2 / F CONFIRMED
How it showsError code (number) shown on the controller display with a voice / warning logo notification; see the user manual for how each is shown.

Likely causes

LED error Applies to: C2/Ci2/F/Fi. Behaviour: LED indication on the controller disappears (The device can still run.)

Step-by-step checks

  1. 1
  2. Turn the device off
  3. Wait for 5 seconds, then turn it on again. 2
  4. Replace the HMI

Switch off before unplugging anything. If the code stays after these checks, get a trained technician to look at it.

Models using this controller

Other WHILL C2 / F codes

01 · 02 · 03 · 04 · 05 · 06 · 08 · 09 · 10 · 12 · 13 · 14 · 16 · 20 · 21 · 22 · 23 · 24 · 25 · 26 · 27 · 28 · 29 · 30 · 31 · 32 · 33 · 34 · 35 · 36 · 37 · 38 · 39 · 40 · 42 · 44 · 50 · 60 · 61 · 62 · 63 · 64 · 65 · 69 · 70 · 71 · 72 · 73 · 74 · 80 · 81 · 82 · 83 · 84 · 85 · 86 · 87 · 90 · 91

All WHILL C2 / F codes ›

Source: d1tbl0vbg3dixm.cloudfront.net/wp-content/uploads/Error_code_list_C2_EN ↗

Summarised from public manuals. Always check the product's own manual before any repair.