Synesso Espresso Machine

Technical Manual 32
● Working from a static tank and there is no pressure available to ll the
steam tank. Dual inlet machines will need a line boost pump or custom
plumbing to operate from a static tank with no line pressure.
● Machine is not level. Check to make sure the surface that holds the ma-
chine is level. Slightly adjust leg height to create a level machine
The Sight Glass
Shows that the
Water Level in the
Steam Tank is either
too High or too Low
● Water level probe (auto ll) needs to be de-scaled or cleaned. This
probe is located behind the left side panel
● On machines built prior to 01-01-2011, The manual ll switch located
on the front of the electrical box has been depressed. Use the hot water
spout to drain the steam tank until the ll solenoid opens and the tank
begins to rell.
● If you are working from a static tank then you must use a line pressure
boost pump to provide the pressure needed to ll the steam tank. Contact
your dealer, service provider, or the Synesso factory for more information
regarding static tank installations.
● Machine is not level. Check to make sure the surface that holds the ma-
chine is level. Slightly adjust leg height to create a level machine
● Debris is stuck in the water control ll valve. See Water Control Valves
Steam Tank is Slow
to Recover Pres-
sure
● On machines built prior to 01-01-2011, Test zone 5 functionality: ■
Turn down the set point for zone 4 a few degrees below zone 5 ■ Turn
up zone 5 by a few degrees and conrm that the temperature rises to the
new set point. ■ If the temperature has risen, then zone 5 is functioning
properly.
● Test zone 4 functionality. See Test zone 5 above for instructions.
● If either zone is not working properly, then see “Cold Zone” and “Tanks
will Not Heat to Full Temperature” in the Electronics section.
● Calcium and scale buildup can insulate and cause reduced efciency
in heating elements. If calcium and scale buildup is an issue, be sure to
descale your machine on a regular basis.
Steam
Wand
Drip at the Steam
Wand Tip
● Steam valve seal is worn. Replace by installing steam valve rebuilt kit.
● Steam valve handle needs to be adjusted. See Steam Valve Handle
Adjustment
● Steam valve is lled with milk residue. Disassemble steam valve and
clean.
Water bubbles out
around wand pivot
ball
● Wand ball o-ring is worn, replace with new teon o-ring from steam
valve rebuild kit.
Wand is Hard to
Move or Sticky
● Remove wand mounting nut, clean and lubricate wand ball with food
grade grease, replace wand ball o-ring
Steam Valve does
not Open Fully
● Steam valve handle needs to be adjusted. See Steam Valve Handle
Adjustment
Hot Water
Tap
No Water Flows
When the Switch is
On
● If there is pressure in the steam tank, and water to the machine is not
restricted, this indicates the switch has failed. Replace the switch.
TROUBLESHOOTING