6 TROUBLESHOOTING
6.1 List of codes
Code
Description
U1
Lime descaler low level
U2
Process agent low level
U3
Rinse-aid low level
U7
Warning of high temperature for
goods
U9
Inactivity warning
H6
Start attempt with door open
H7
Cannot lock door
H8
Cannot unlock door
F1
Temperature sensor error
F4
Logic error in door, door locked but
not closed.
F7
Disinfection temperature not reached.
F8
Door open/unlocked during process
F9
Settings error (E2 error)
F10
F11
Leakage
F13
Program error
6.2 Types of codes
The tables below describe the error messages that can
be generated as well as possible measures.
Measure
Top up descaler agent.
Top up process agent.
Top up rinse-aid
Let the goods cool down.
The machine has been inactive for 72 hours.
A program with an empty chamber must
be run before using the machine to clean goods.
Close the door (the machine makes a new start
service personnel.
Acknowledge the error as described above. Close the
door correctly. Make a fresh start attempt. If the error
Acknowledge the error as described on the previous
personnel.
•
Ux is an information code.
•
Hx is a handling code.
•
Fx is an error code.
19
Need help?
Do you have a question about the Ninjo and is the answer not in the manual?
Questions and answers