Haier 311209J User Manual download pdf (Page 10)

Troubleshooting

10 311209J

Troubleshooting

Some solutions require disassembling gun. Always

relieve system pressure and disconnect electrical cable

before performing these procedures.

Problem Cause(s) Solution(s)

Material leaks from front of gun body Seat or packing is worn

Obstruction inside gun

Worn needle

Replace seat (6) or packing (47).

Remove seat (6). Check and replace

if necessary.

Check and replace needle (4a) if nec-

essary.

Material leaks from back of gun body Needle seal or packing is worn Replace seals (4c) or packing (4d).

Gun does not shut off Needle or seat is worn

Spring is broken or not installed cor-

rectly

Obstruction inside gun

Replace needle (4a) or seat (6).

Check and replace spring (14) if nec-

essary.

Remove seat (6). Check and replace

if necessary.

Gun does not heat material Loose heater wires

Loose sensor wires

Heater cartridge failed

Sensor failed

Temperature controller failed

No power to heating circuitry

Check and reconnect wire connec-

tions.

Check and reconnect wire connec-

tions.

Replace failed heater.

Replace failed sensor.

Refer to Therm-O-Flow

200 manual

311208 as appropriate.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 21 22

No comments

Haier 311209J User Manual Page 10