MUTOH Rockhopper II Series Spezifikationen Seite 250

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Rockhopper II series printers – Maintenance Manual
251
AP-74065, Rev. 1.2, 27/09/04
Connector:
Tips
Safety relay
On the powerboard is a safety relay that will switch 220 or 110V to the solid state relays whenever the
Rockhopper II series printer is powered off. This is to prevent that defective solid state relays can make the
heatstrips overheat and melt its fuses.
Buzzer:
1 small beep for each heater that reached the desired temperature.
3 short beeps when heater accepts new data coming from the RHII.
4 seconds beep => error.
Heater D
In case of a defective fuse on a D-heater, check for isolation on the temperature sensors. Some machines
were released without isolation patches on the temperature sensors and cause the strips to overheat.
Heater A
In earlier machines strips were mounted with a fuse with a critical, narrow margin. Please do not pass 48°C
in the menu setting. This will be solved in successive firmware releases after 1.04.
FLAT Strip
In case of a DIY replacement of a heatstrip, make sure that the strip is flatly mounted! Air gaps between strip
and plate can cause overheating and cause fire!
Firmware Bugs
Check the firmware division for these.
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