
15
S21-037
ENGLIS
H
S
VII.
TROUBLESHOOTING
Note:
The following mistakes will result in the siren sounding continuous and
the deactivation of all machine operations. When there is no error, the
machine will operate normally.
Error
code
Display
status
Cause
Purpose
Solution
Er1
Tank is out of
water
To protect
pump and
heating element
Supplement water for tank.
Check the water source.
Check the water level probe
Er2
Pump is
opened over
60 seconds
To protect
pump from
overworking
Restart the machine
If it's not user mistake, get in
touch with us for support.
Er3
Boiler
overheating
To avoid
harming the
components
inside
Turn off the machine at least 5
minutes
Er4
Thermocouple
connection
error
To protect the
heating element
Check the thermocouple
connection on board
Er5
Thermocouple
is broken
To protect the
heating element
Replace the new one or contact
us for support