ELTRA CS-2000 - Resistance Furnace Takes too Long to Warm up

Faults
58
35331 without cotton wool
35330 with cotton wool
6. Furnace
Clean according to the Operation Manual
Fig.
45
: Resistance furnace
Pos: 3.46 /0025 Üb erschriften/E LTRA 1.1 Übersc hriften/11 Resist ance furn ace takes too long t o warm up @ 9\mod_142 5549194106_9. docx @ 75000 @ 2 @ 1
3.23 Resistance furnace takes too long to warm up
Pos: 3.47 /0010 E LTRA/0015 s ervice_instructio ns/CS-2000_s ervice/05Faults_C S-2000/0 630 Modul Resista nce furnace t akes too long to warm up @ 9\ mod_142554 1083085_9.docx @ 74393 @ @ 1
Normal warm-up time: from room temperature to 1300°C, in 15-20 min unless the current limit
on the board is set for lower heating-up current.
Faulty heating elements:
Investigate the problem the following way:
Set the temperature to maximum value and measure the voltage across the heating elements.
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