Walther Systemtechnik S11 series - Troubleshooting; General Information; Customer Service; Support; Malfunctions

Rev. 1.4
Assembly Instructions – Spray Valve SMS-11
Page 15 of 28
Walther Systemtechnik GmbH – D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de – info@walther-2000.de
7.6 Troubleshooting
7.7 General Information
IMPORTANT
First check all supply lines for connection and serviceability.
In case of serious problems that cannot be resolved, please contact the Walther Systemtechnik GmbH
customer service.
7.8 Customer Service / Support
Walther Systemtechnik GmbH
Hockenheimer Straße 3
D-76726 Germersheim
Germany
Phone ++49(0)7274-7022-0
Fax ++49(0)7274-7022-91
Email info@walther-2000.de
Internet www.walther-2000.de
7.9 Malfunctions
Error
Possible Cause
Action
Nozzle needle does
not open
Not enough control air supplied
Check if enough control air available (3 -
6 bar).
Leakages
Check if O-Ring (7.5) is defective.
Needle is sticky within the needle sealing
Disassemble and clean.
Needle stroke is set too low.
Check if needle stroke is correctly set.
No atomizer air
Atomizer air pressure set too low
Check if sufficient atomizer air (see also
Technical Data 4.2) is applied to the
spray valve
No material
discharged
Nozzle is clogged by material
Clean nozzle and needle (see also 7.4).
Material pressure is set too low
Check if sufficient material pressure
(see also 4.2 Technical Data) is applied
to the spray valve
Spray image not
correct
Air cap is dirty
Clean air cap
Wrong air ratio
See chapter 7.10