76
No. Message Cause Remedy
Screen is black and green Display faulty. Disconnect from main power! Replace faulty fuses.
power LED does not light up. Power fuses faulty. If the display remains black, contact service technician.
E 01 Waiting time for inserting The 15 minute waiting time for inserting Expedite insertion.
object exceeded. the pressing muffle was exceeded.
E 02 Vacuum is not removed, Solenoid valve faulty. Ventilation valve faulty.
firing chamber does not open.
Contact service technician.
E 03 Limit switch not closed. Transport protection or foreign body Remove transport protection or foreign body.
stuck between upper and lower part
of furnace.
E 04 Control unit is overheated. Extremely high standby temperature Remove power plug. Allow furnace to cool for approx.
Program aborts, with open firing chamber. 5 minutes. Restart furnace after the cooling time.
continuous acoustic signal.
E 05 Theoretical vacuum not Vacuum system leaks. Start vacuum test program (in the menu unit parameters).
reached. Observe pressure display, close supply via the vacuum
tube (bend tube) after 1 minute.
If the vacuum drops sharply, the firing chamber leaks
or there is moisture in the firing chamber.
If the vacuum does not drop, the pump has insufficient
suction power.
Suction power of the pump is too low. Check pump according to manufacturer’s
instructions or use stronger pump.
Moisture inside the firing chamber Start dehumidifying program 476 with vacuum pump
insulation. or 474 without vacuum pump.
E 06 Quick cooling is not Preheating temperature is not Wait until idle temperature is reached or abort with“C”.
complete. reached yet.
E 07 There was a power failure. Temporary power failure during firing. Please check the firing result!
E 08 Heating circuit is faulty. Muffle or Triac faulty. Contact service technician.
Program aborts.
E 09 Thermal element failure or a. Thermal element broken or a. Contact service technician.
thermal wiring failure. a. thermal wiring disconnected.
Program aborts.
b. Thermal element poles reversed. b. Reverse polarity of thermal element or thermal wiring.
E 10 Battery weak. Battery on the control board empty. Have service technician replace battery.
E 11 Overheating. The actual temperature is 25 °C (77° F) above Have service technician check the temperature control.
the theoretical value.
E 12 Maximum pressing stroke Insufficient ceramic material in the muffle. Use sufficient amount of ceramic material.
reached.
Program terminated. Sensor not positioned or faulty. Contact service technician.
E 13 Sensor for end position of End position sensor misaligned or faulty Contact service technician.
pressing not detected.
E 17 Temperature reference Temperature reference generator faulty! Contact service technician.
generator faulty.
E 20 Smart Media Card cannot Smart Media Card inserted incorrectly. Insert Smart Media Card correctly.
be read.
Reader faulty. Contact service technician.
E 21 Smart Media Card is empty. Empty Smart Card without data inserted! Replace Smart Media Card.
E 22 Smart Media Card contains Smart Media Card was incorrectly written. Write Smart Media Card again.
invalid data.
E 23 Not enough memory capacity Not enough memory free in the furnace Delete unused programs.
in the furnace. to save further programs!
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