Liquid does not emerge from the nozzles.

The nozzles are clogged.

WARNING
Risks due to accidental contact with spray liquid
Before working on the nozzle bodies, flush the nozzles with flushing water.
  1. Unscrew the bayonet cap with the nozzle.
  2. Take out the rubber seal and the nozzle filter.
  3. Clean the nozzle and the nozzle filter with compressed air

or

Select a new nozzle and a new nozzle filter.

  1. Insert the nozzle filter and the rubber seal.
  2. Install the bayonet cap with the nozzle.