SVP INSTRUCTION MANUAL Page 18
SHAW-ALMEX INDUSTRIES LIMITED 49909-010
Jun 2017
the same sequence that they were removed. If there is any doubt, refer to wiring diagram. Install the insert in
the housing. See 6.2 Removing and Replacing the Platen Receptacle Insert.
13. Place the insulation and cover on the element cover and replace the assembly and ground strap screws using
some dry lubricant on the threads. Replace any damaged screws with screws of the same length.
14. The temperature controller will have to be calibrated after replacing the heating element. Refer to the
Temperature Controller Manual.
7. TROUBLESHOOTING
7.1. Platens Not Heating
Refer to Temperature Control manual first. If the fault is not found, use the following procedure.
1. Loose cable connection.
1. Ensure that cable connections are clamped together
properly.
2. Loose connection in cable or
platen connector.
2. Disconnect power supply, remove electrical connector
insert from housing and tighten all connections.
3. Faulty RTD temperature
sensor.
3. Measure the resistance between pins 4-5 and 4-6 on the
platen electrical connector. Depending on the platen
temperature, the resistance should be between 100-170
Ohms. If not, replace the sensor.
4. Faulty heating element.
4. Measure the resistance between pins 1, 2 and 3 on the
platen electrical connector. Compare the reading with the
value in your Record of Purchase, Element Resistance,
Coils Connected. If the values are not close and the wires
and connections are good, the element must be replaced.
7.2. Platens Heating Unevenly
Refer to Temperature Control manual first. If the fault is not found, use the following procedure.
1. Cooling water remaining in
platens.
1. Purge the water from the platen by blowing compressed
air through the cooling channels.
2. A portion of the heating
element has burned out.
2. Measure the resistance between pins 1, 2 and 3 on the
platen electrical connector. Compare the reading with the
value in your Record of Purchase, Element Resistance,
Coils Connected. If the values are not close and the wires
and connections are good, the element must be replaced.
7.3. Platens Over Heating
Refer to Temperature Control manual first. If the fault is not found, use the following procedure
1. Faulty RTD temperature
sensor.
1. Measure the resistance between pins 4-5 and 4-6 on the
platen electrical connector. Depending on the platen
temperature, the resistance should be between 100-170
Ohms. If not, replace the sensor.
7.4. No Pressure or Loss of Pressure
Refer to Pressure Pump manual first. If the fault is not found, use the following procedure.
1. Blocked fluid passage.
1. Inspect the valve and hose for obstructions. Clean or
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