Specifications

CAK50/CAK61 SERIES ERROR! USE THE HOME TAB TO APPLY 标题 1 TO THE TEX
SHENYANG MACHINE TOOL CO., LTD 58
electric cabinet, etc. are loose.
 Connector
Check if the connection of each connector is loose and re-screw it if there is.
 Screws of terminals
Check if the screws of relays and the terminals of electric elements on each
operating panel are loose, if there is, please re-tighten it (them).
 Limitation switch
Check if the wiring screws and the installation screws of the limitation switch are
loose. If there is tighten it (them).
7.4.5.4 Inspection of Control Box
Switch off the power supply before the inspection.
 Screws of wiring terminal and welding points
Check if wiring screws of electrical elements are loose, if there is, re-tighten it
(them). Lightly pull the welded part on the relay board and check if they are firmly
welded.
 Air-switch
Check if the air-switch is invalid.
 Arc quencher
Check if the arc quencher changes color. Change it with a new one if there is.
 Cleaning
Clean the dust and the fine chips that may result in troubles.
 Air-filter net
Lightly clear out the dust and dirty thing on the air-filter net with water.
7.5 Common Trouble-shooting
7.5.1 Common Troubles and the Causes of Troubles
7.5.1.1 Coolant Does Not Flow Out

Check if setting of coolant switch on the Operator’s panel is normal, and whether
code M is correct.
 Check if the sucking hole of the coolant pump is fully dipped into coolant.
 Check if the filter of chip pan and the filter of sucking pump are blocked.
 Check if the motor for coolant pump works normally.
 Check if the connecting wires on the control panel of thermo-relay for coolant
pump are trip-off.