PROMARKS Promax DC-640, Operation Manual

Page: 22 / 58

19
Problem Cause Correction
No or improper sealing.
NOTE : Please do not adjust
sealing longer than regular time,
or it will reduce the life of Teflon
tape and silicone rubber.
Sealing wire is broken.
Sealing wire is loose.
Insufficient pressure.
Sealing transformer is damaged.
Teflon tape or silicone rubber is
damaged.
Sealing time and cooling time are
too short.
Sealing pressure is too low.
Replace it.
Tighten it.
Pressure bar is damaged, replace
it.
Replace it.
Replace it.
Adjust to proper time.
Replace the pressure bag.
Lid does not close. Vacuum valve is damaged.
Limit switch is disconnected or
damaged.
Replace it.
Reconnect or replace it.
5.2 25PIN D Type Terminal Wiring Connection Instructions
P IN
NO
FUNCTION
PIN
NO
FUNCTION
1 AC24V Input —
For Internal 13 External
DC24V Rectificated
2 AC24V Input —
For Internal
14
External
DC24V Rectificated
3
AC24V Input —
For External 15 Sealing Bar 2
Heat Contact
Relay
Contact
4 AC24V Input —
For External 16 Pulse Soft Air
Contact Relay
Contact
5 Air Inlet Valve Relay
Contact 17
x
6
Sealing Press
Bar Gas Flushing
Relay
C
on
t
ac
t
18
x
7
Sealing Bar 1
Heat
Relay
Contact 19
x
8
External Special
Gas Valve
Relay
Contact 20
x
9
Vacuum Valve Relay
Contact
21 Over Relay Input
Same As 25
External
Input
10 COM
Relay
Contact 22 Internal
Grounding
External
Input
11
Internal
Grounding External
Input 23 COM point Relay
Contact
12 Vacuum Lid
Signal Input External
Input 24 Vacuum Motor
Contact
Relay
Contact
25 Over Relay Input
Same As 21
External
Input