Steris SYSTEM 1E, Maintenance Manual

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5-10
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5.2.5 Fill time > 5 Minutes
Description – Control monitors LS3 from start of fill.
If full condition is not sensed within five minutes,
alarm occurs.
Action:
1. Water pressure too low – correct (refer to S
ECTION
1
for specifications).
2. MaxPure Filter may be clogged – replace.
3. If MaxPure Filter replacement does not correct
problem – replace A prefilter, then B prefilter if
problem persists.
4. Restriction in drain hose – correct.
5. Faulty SOL7 fill valve – replace. (Refer to Figure 5-5.)
6. Faulty CK4/strainer – repair or replace.
7. Faulty CK2 and or CK3 – replace.
8. Faulty V5 – repair.
9. Faulty SOL4 – replace. (Refer to Figure 5-5.)
10.Faulty SOL5 – replace. (Refer to Figure 5-5.)
11.Faulty LS3 – replace. (Refer to Figure 5-3.)
12.Faulty LS2– replace.
5.2.6 Pressure Transducer Fault
Description – Control monitors fill pressure (FP) and
fill zero (FZ). If FP < 5.85 psi or if FZ is > 1.95 psi, alarm
occurs.
Action:
If printout shows inlet < 5.85
1. Water pressure too low – correct.
2. Filters plugged – replace.
3. Faulty SOL7 fill valve – replace.
4. Faulty CK4/strainer – repair or replace.
5. Faulty PT1 – recalibrate or replace. (Refer to
Figure 5-1 and 5-2.)
6. Float block not drained from previous cycle – drain
and re-test.
7. Faulty LS3 – replace. (Refer to Figure 5-3.)
If printout shows zero > 1.95
1. Faulty PT1 – recalibrate or replace. (Refer to
Figure 5-1 and 5-2.)
2. Faulty CK2 and or CK3 – replace.
3. Faulty MaxPure™ Filter – replace.
5.2.7 Circulation Pressure Low
Description – Control monitors circulation pressure
(CP) and fill zero (FZ) and performs a calculation. If
CP < (1.073 psi + FZ), alarm occurs.
Action:
1. Incomplete tray being run (no container or lid) –
retest with complete tray.
2. S40 being run – run without S40.
3. Drain screen plugged – clean.
4. Faulty CK2 and/or CK3 – replace.
5. Faulty P1 – replace.
6. Faulty SSR4 – replace. (Refer to Figure 5-5.)
7. PT1 fault – repair. (Refer to Figure 5-1 and 5-2.)
8. V6 – repair.
9. Faulty CK11 – replace.
5.2 DIAGNOSTIC CYCLE FAULTS (CONTINUED)