Troubleshooting - Atmos Varioair 3 Operating Instructions Manual

7 Troubleshooting

Error on the temperature display
Potential cause
"F0" Not used
"F1" Maximum permitted temperature
too high (> 51 °C).
The pump is automatically switched
off if the temperature exceeds 51 °C
for more than two seconds).
"F2" -5 V missing (supply voltage on the
controller board)
"F3" Safety NTC breakage
"F4" Not used
"F5" Breakage of the regulating NTC
"F6" Not used
"F7" Temperature too high (> 48 °C)
"F8" Short-circuit of the regulating NTC
"F9" Not used
& If the errors cannot be corrected with the assistance of this table, please inform the
service staff or send in the device for repairs. Do not try to repair the device yourself!
Remedy
• Switch off the device and wait
approximately one minute for the
device to cool down
• Check whether the temperature set-
ting is not too high. If necessary, set
the target temperature to a value of
above 51 °C on the coding switches.
• Inform the service technician.
• Bent hose tip within the ear / ear
canal
• Inform the service technician
• Check whether the handle was
connected correctly.
• Replace the handle
• Inform the service technician
• Check whether the handle was
connected correctly.
• Replace the handle
• Inform the service technician
• Check whether the temperature set-
ting is not too high. If necessary, set
the target temperature on the coding
switches to a value below 48 °C.
• Inform the service technician
• Bent hose tip within the ear / ear
canal
• Replace the handle.
• Have the temperature sensor of the
regulating NTC checked by a service
technician
Troubleshooting 21