74
Corrections
1.2.1 Clean or replace clogged steam trap.
1.2.2 Clean clogged pipe.
1.2.3 Close needle valve completely and
open half a turn.
1.2.4 See item 10.4.31.
1.3 Calibrate temperature and/or pressure.
2.1.1.1 Replace clogged steam trap.
2.1.1.2 Close needle valve
completely and open half a
turn.
2.1.1.3 Clean clogged pipes.
2.1.14 See item 10.4.31.
2.2.1.1 Replace faulty relay.
2.2.1.1 Replace faulty board.
2.2.1.1 Replace faulty board.
Possible cause check-up and tests
1.2. High pressure and low temperature Water is not
discharged from the chamber. Possible cause:
1.2.1 Steam trap clogged.
1.2.2 Exhaust drain pipe clogged.
1.2.3 Steam trap by-pass (needle valve) is too
closed.
1.2.4 Slow exhaust valve (74) does not open
1.3 Temperature and/or pressure are not calibrated.
2.1 Pressure is high and temperature is low.
2.1.1 Slow exhaust or drain lines are clogged
due to:
2.1.1.1 Clogged steam trap.
2.1.1.2 Needle valve, of the slow exh by-
pass, is closed.
2.1.1.3 Outlet or slow exh to drain pipes
are clogged.
2.1.1.4 Slow exhaust valve (74) is stuck
closed.
2.2 Pressure and temperature are high.
2.2.1 Heating elements operate constantly due
to:
2.2.1.1 Faulty Solid State Relay (SSR)
(located in the electronic box).
2.2.1.2 Faulty digital board DIG-T2
(located in the electronic box).
2.2.1.1 Faulty analogue board ANL-T2
(located in the electronic box).
10. TROUBLESHOOTING (cont.)
10.2 Preliminary Troubleshooting (cont.)
Symptom
1. “Low temp” is displayed
(cont.)
2. “High press” is displayed.
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