Gammaflux GLC 2k Setup Manual - Halaman 4

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Basic Troubleshooting
Thermocouple Open – The Thermocouple
Connection is Broken Somewhere,
Follow General Troubleshooting
Thermocouple Reversed – The Thermocouple
Connection is cross wired + to – at some
connection point. Visually inspect each connection
point, for Type J US Standard Red wire should
connect to Red Wires, not Red to White.
Open Fuse – Turn "Off" Main Disconnect, Remove
top cover, locate zone module, Check both fuses.
Shorted Heater – The Heater is Shorted or Exceeds
the Rating of the Controller, Follow General
Troubleshooting
Open Heater – The Heater Connection is Broken
Somewhere, Follow General Troubleshooting.
Clear Alarm – Turns Off External Light/Alarm
General Troubleshooting – Turn "Off" Main Disconnect
1
Check Resistance from Pin to Pin, at the Mold. Thermocouple should read 3-5 ohms. Heater should read greater than 16 ohms. If there is no continuity (Open Line) =
Broken Connection, Open Heater or Open Thermocouple.
2
Check Resistance from Pin to Ground, at the Mold. Heaters Only – No Continuity (Open Line) is Good. Some Resistance is bad (Shorted).
3
Reattach the Cable to the Mold, Detach the Cable from the Controller. Check Resistance from Pin to Pin. If there is no Continuity (Open Line) = Connection broken
in the Cable Set or the connectors are not making contact.
4
Reattach the Cable to the Mold, Detach the cable from the Controller. Check Resistance from Pin to Ground. Heaters Only – If you see any resistance to ground,
wires are shorted in the cable set or the connectors are shorting to Ground.
5
At this point if everything is fine, the problem is in the Controller. (1) Remove the top cover, (2) Check Fuses on top of the Output Module, (3) Swap bad output
module into known good spot, Replace Cover, Test Zone – Same Problem = Bad Module. Problem not duplicated – return module to slot, Replace Cover,
Access Setup Code #21, Explanation on Advanced Set Up Page.
6
If the Problem is not explained, or you need spare parts please call Gammaflux at +1-(703) 471-5050, +49-(0)-611-973430 or +81-(836) 54-4369.
1
Module Power Connector
2
Communications Bus
(Below Power Connector)
3
Thermocouple Input Module
4
T/C Inputs (Zones 1-12)
5
Power Outputs (Zones 1-12)
6
Input Power Cable
Ground Lug
7
Main Disconnect
8
Alarm Area
1
2
3
5
4
7
6
High Temperature – The Temperature of the zone
selected exceeds the deviation band in Setup
(+20° F Default)
Low Temperature – The Temperature of the zone
selected is below the deviation band in Setup
(-20° F Default)
Thermocouple Pinched – The Thermocouple is
pinched or the controller thinks the thermocouple
is pinched. (Default: 100% output, must see +20° F
in 5 Minutes), Selectable detection times in
Advanced Setup. True Thermocouple Pinched –
The Thermocouple is Sensing the Temperature
Further away from the Heat Source than intended.
Without alarm, Temperature reads low, controller
applies power, runaway heat. False Thermocouple
Pinched – The heater is too small to heat the zone
or the T/C is located too far away.
Replace heater, move the T/C or adjust Alarm.
9
10
11
10
12
11
13
12
14
13
14
15
8
15
16
16
9
Output Switch (Operator Side)
Fuses
Output Module
Power Supply
CPU Board (Under Power Supply)
RS 232/RS 485 Communications
Resetable Alarm Output, Remote
Standby, Control Inhibit
Fan