What If - Ivoclar Vivadent Programat CS4 Operating Instructions Manual

8. What if ...

This chapter will help you to recognize malfunctions and take appropriate measures.
8.1 Error messages
Error / Contin-
Hint uation
No. possible
17
20 no
**
27 no
*,**
28
**
103
107
700
701 no
***
702
707
1310
1600
1601
1602
1603
1604
1606
1607
1613
**
1626
1627
1632
1640
1641
1642
1650
1660
1661
30
The furnace continuously monitors all functions during operation. As soon as an error is found, a
corresponding error message will appear. In case of an error, the heater is switched off for safety reasons.
The following error messages may be displayed:
Error Error Message Text
Power failure > 10 s during a A program in progress was interrupted for more than 10 s. The program cannot be continued.
program in progress
Error in the heating system Check the heater fuse. If the fuse is OK, contact your local Service Center.
Furnace head cannot be The furnace head cannot be moved to the final position. It might be blocked by an external
initialized mechanical source! If this is not the case, please contact your local Service Center!
Furnace head does not reach The furnace head does not open/close correctly. The furnace head was manually moved or is
the target position. obstructed. The furnace head must only be moved using the keys intended for this purpose!
Program start blocked Starting a program is not possible due to a technical malfunction.
Incorrect time settings (date The clock settings are incorrect. Please set a correct date and a correct time!
/ time)
Supply voltage outside the The supply voltage is outside the acceptable range. Check the supply voltage.
acceptable range
Start-up aborted due to an error The self-test of the furnace was interrupted by an error. It is not possible to work with the furnace!
Switch the furnace off and on again, once the error has been rectified.
Short power failure during a A program in progress was interrupted by a short power failure. The program is being continued.
program in progress
Incorrect supply voltage The furnace is operated with the incorrect supply voltage. Make sure that the furnace is operated
with the supply voltage indicated on the rating plate.
Calibration reminder Some time has passed since the last calibration. Conduct a calibration procedure soon.
T1 < B Enter an acceptable value for T.
T2 < T1 Enter an acceptable value for T.
T3 < T2 for T2 > 0, Enter an acceptable value for T.
T3 > 0 for T2=0
T4 > Tx (T1, T2, T3) Enter an acceptable value for T.
T5 > T4 Enter an acceptable value for T.
Temperature increase rate 2 If the holding temperature T2 is higher than 900 °C/1652 °F, the temperature increase rate t2 must
too high not exceed 50 °C/min. or 90 °F/min
Temperature increase rate 3 If the holding temperature T3 is higher than 900 °C/1652 °F, the temperature increase rate t3 must
too high not exceed 15 °C/min. or 27 °F/min
Current temperature after Start Caution: Excess temperature! The program was aborted.
> Tx + 80 °C/176 °F.
Current Temperature Sintering chamber is too hot for the start of a sintering program.
> 700 °C/1292 °F upon Start
Sintering chamber is too hot. Certain programs have a maximum starting temperature. If the furnace temperature is above the
maximum starting temperature, the programs cannot be started.
Program memory write error Checksum of a firing program invalid. The firing program will be initialized with the original values.
v1 > 0 and V1 = 0 If a predrying temperature is set, a predrying time must also be selected.
v2 > 0 and V2 = 0 If a predrying temperature is set, a predrying time must also be selected.
Predrying 2 active and Predrying
1 inactive
PwrUnit Error Power-Unit. Check the fuse and the electric plug-in connections to the furnace head. The unit
is not ready for operation! Please contact your local Service Center.
HeadOpenDisabled (T too high) Temperature too high for opening the furnace head
Power outage >10 s with the Long power failure during a program in progress. Repeat the program.
program started and in the
heating stage