CAIRE HELiOS Plus Technical & Service Manual page 30

XI 1
Troubleshooting & Repair Procedures
Symptom
14) Unit will not main-
tain acceptable pres-
a)
sure when in use
b) Leak in the system
c) Economizer valve faulty
15) Unit will not main-
tain acceptable
a)
pressure in standby
mode
b) Leak in the system
c) PRV faulty
Table 6 (cont.)
Probable Cause
Saturation pressure is out of
specification
Saturation pressure is out of
specification
Corrective Action
Inspect the saturation pressure of the reservoir used for filling.
Allow at least 30 minutes at no flow for the portable to saturate
properly.
Preform a leak check on the plumbing (RP2). Repair leaks as nec-
essary.
Test the economizer (RP9) and replace (RP10) if necessary.
Inspect the saturation pressure of the reservoir used for filling.
Allow at least 30 minutes at no flow for the portable to saturate
properly.
Preform a leak check on the plumbing (RP2). Repair leaks as nec-
essary.
Test the PRV (RP7) and replace (RP10) if necessary.
HELiOS Portables Technical Service Manual • PN 20562190 Rev E
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