Fresenius Medical Care 2008K Troubleshooting Manual page 68

NW- 2.0.0 CHECK INCOMING WATER PRESSURE
This procedure uses a pressure (psi) gauge to check incoming water pressure. IMPORTANT! ASSURE the
gauge reads 0 psi before installing it!
IMPORTANT!
a) Turn the water off.
b) Referring to Figure 30
IMPORTANT!
c) Turn the water on!
d) Referring to Figure 30
tubing after the gauge. Is pressure greater than 18 psi?
Yes Leaving the gauge in place see procedure number
No Assure the water in ON before continuing! See procedure number
Figure 30 – Hydraulics TOP View / Inlet Pressure Regulator #61
NW- 2.0.1 CHECK INCOMING WATER
A 1000 ml graduated cylinder (or larger) is required for this procedure:
a) Remove the clamp (the pliers)!
IMPORTANT!
b) Turn the water off!
c) Referring to the Figure (right), at the rear of the machine,
remove the incoming water (TOP) tubing.
IMPORTANT!
d) Turn the water on.
e) Measure flow from the tubing for one minute. 1000 ml or greater?
Yes Turn the water off then see procedure number
2.0.2 (page 67).
No Three possibilities: 1) Restricted inlet water filter (if
present, see
incoming water tubing; 3) Low incoming water
flow/pressure (from the RO).
(page 66), tee the gauge at the output side of Inlet Pressure Regulator #61.
(page 66), using pliers, (i.e. do NOT use a plastic clamp) TIGHTLY clamp the white
Figure 6, page 13); 2) Restricted
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 2 – "No Water" Message
NW- 3.0.0 (page 67).
NW- 2.0.1
NW-
(page 66).
Page 66