18
Remedy
• Switch off the machine only during
the midday break and keep on
Stand-By during working hours.
• Clean contacts or replace
electronics.
(Order No. 1700-210-52)
• Refill the regeneration containers
and repeatedly restart at main
appliance switch using the
regeneration on operation function.
If there is still no improvement
replace all chemicals in the machine.
• Pump operating time needs
adjusting via potentiometer.
• Drain chemicals from the machine
and clean thoroughly. Connect the
regeneration containers in the
correct positions and refill with fresh
chemicals.
• Clean non-return valve, replace if
required.
Check for correct positioning
• Lay the hoses with no twists or
bends.
• Observe film shelf-life date.
• Observe chemicals shelf-life date. If
shelf-life of chemicals is exceeded
do not use and dispose of
appropriately.
Possible causes
• Frequent use of the appliance
main switch, surgery mains
switch or constant interruption of
power supply. (Only when
Regeneration on Operation
activated)
• Electronic relay K3 (of
XR24
)
sticks or electronics defect.
• Regeneration containers empty.
• Pump operating time too short.
• Regeneration containers or their
hoses are interchanged.
• Non-return valve of regeneration
pump stuck or wrongly
positioned.
• Regeneration hoses (from the
Regeneration Unit to the X-ray
developer) twisted.
• Film shelf-life exceeded.
• Chemicals shelf-life exceeded.
2.Films not fixed
completely and
veil on film
Fault
1.Regeneration
containers are
empty after only
a few hours
TROUBLESHOOTING
The following descriptions of troubleshooting procedures are designed for technical
staff only. Repairs may only be carried out by Dürr Dental or by a person or agency
authorised by Dürr Dental.
Before carrying out any repair or maintenance procedures remove power supply!
18. Troubleshooting Tips for XR 24, XR 24 II, XR 24 NOVA
