Nw- 1.0.14 Pressure Remains Less Than 189 Psi - Fresenius Medical Care 2008K2 Troubleshooting Manual

1)
IF (and ONLY if) ALWAYS LESS THAN 18 psi: See procedure number
147).
2)
IF the PEAK cycles to or remains MORE THAN 18 psi: THREE (3) possible scenarios below:
Scenario #1:
Scenario #2: IF (and ONLY if) the MINIMUM remains more than 8 psi AND a "No Water"
Scenario #3:
NW- 1.0.14 PRESSURE REMAINS LESS THAN 18 PSI
a) Figure right, loosen Inlet Pressure Regulator #61's
Lock Nut.
b) Watching the gauge, turn Regulator #61's
center Adjustment Bolt clockwise (inward)!
TWO (2) possible scenarios:
1)
IF (and ONLY if) MORE THAN 18 psi CAN
BE achieved: A) Adjust Regulator #61 until
the PEAK is between 18 and 20 psi;
B) Return to (ABOVE) procedure number
NW- 1.0.12 (
2)
IF MORE THAN 18 psi CANNOT be achieved: ASSUMING incoming water has remained more
than 1000 every minute, Inlet Pressure Regulator #61 may be bad.
IF (and ONLY if) the MINIMUM EVER falls lower than 8 psi: This indicates a
problem with RO Product flow or pressure!
alarm reoccurs: Proceed to
IF the MINIMUM remains more than 8 psi AND a "No Water" DOES NOT
reoccur: The problem is not presenting at this time!
page 146
).
LEFT BLANK INTENTIONALLY
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 151
, procedure number
NW- 1.0.14 (page
NW- 3.0.0.
Page 147