c) clean the valve according to chapter “Cleaning solenoid valves”.
If the fault still remains, then:
– Switch off the power (pos. 0).
– Disconnect plug ( 2 ) from the coil ( 4 ) and measure the resistance. 3.3 K for 220VAC
valves is a normal value.
Pos: 3.54 /0025 Üb erschriften/E LTRA 1.1 Übersc hriften/11 Resist ance furnace d oesn`t reach f ull temperature @ 9\mod_14 25626188856 _9.docx @ 751 40 @ 2 @ 1
3.27 Resistance furnace doesn`t reach full temperature
Pos: 3.55 /0010 E LTRA/0015 s ervice_instructio ns/CS-2000_s ervice/05Faults_C S-2000/0 650 Modul Resista nce furnace do esn`t reach full t emperature @ 9\mod_14255 41312124_9.doc x @ 74441 @ @ 1
– The heating elements are used up. See chapter “Bad combustion”.
– The furnace is faulty. See Chapters “No combustion”, “Resistance furnace”,
“Resistance furnace doesn’t reach full temperature”, “The resistance furnace is too
cold or too hot” and “Resistance furnace takes too long to warm up”.
Pos: 3.56 /0025 Üb erschriften/E LTRA 1.1 Übersc hriften/11 Unst able resista nce furnace te mperatur @ 9\m od_14256264 18438_9.docx @ 7 5152 @ 2 @ 1
3.28 Unstable resistance furnace temperatur
Pos: 3.57 /0010 E LTRA/0015 s ervice_instructio ns/CS-2000_s ervice/05Faults_C S-2000/0 655 Modul Unsta ble resistance f urnace temperatur e @ 9\mod _1425541401 855_9.docx @ 744 53 @ @ 1
– The heating elements are used up, and the required temperature can only hardly be
reached so that there are no reserves of power, to properly regulate the temperature at a
stable level. See chapter “Resistance furnace doesn’t reach full temperature”. To
confirm this fault, set the temperature to a much lower value. If the temperature cannot
reach the new higher level, it is obvious that the unstable temperature was at maximum
level of temperature the heaters can reach.
– The temperature control board TH 43/44 is faulty. Replace the TH 43/44 board and adjust
according to chapter “Resistance furnace”.
– The thermocouple is faulty. See chapter “Thermocouple testing”.
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