Division 4.4 Direction indicator and hazard warning lampsX1
United Kingdom
| 4.4.1. Condition and operation | Visual inspection and by operation. | (a) Defective light source (multiple light source in the case of LED up to 1/3 not functioning). | X | ||
| Single light sources; in the case of LED less than 2/3 functioning. | X | ||||
| (b) Slightly defective lens (no influence on emitted light). | X | ||||
| Heavily defective lens (emitted light affected). | X | ||||
| (c) Lamp not securely attached. | X | ||||
| Very serious risk of falling off. | X | ||||
| 4.4.2. Switching | Visual inspection and by operation. | Switch does not operate in accordance with the requirements 1 . | X | ||
| No operation at all. | X | ||||
| 4.4.3. Compliance with requirements 1 . | Visual inspection and by operation. | Lamp, emitted colour, position, brightness or marking not in accordance with the requirements 1 . | X | ||
| 4.4.4. Flashing frequency | Visual inspection and by operation. | Rate of flashing not in accordance with the requirements 1 .(frequency more than 25 % deviating). | X |