T- 1.0.4 Heater Good/Isolate Temperature Sensors (Ntc's); T- 1.0.5 Problem Located During Checks 1 And 2 - Fresenius Medical Care 2008K2 Troubleshooting Manual

T- 1.0.4 HEATER GOOD / ISOLATE TEMPERATURE SENSORS (NTCs')
Figure BELOW,
A)
sensors. TWO (2) IMPORTANT checks:
CHECK #1 ANY insulation damage indicates the sensor need to be replaced!
CHECK #2 ENSURE the sensors are not reverse connected with another component!
B) During Checks #1 and #2, THREE (3) possible scenarios 1) or 2) or 3) below:
1)
IF (and ONLY if) no problems were located: Proceed to
2) IF (and ONLY if) insulation damage was located: Replace the sensor(s) then see procedure
number T- 1.0.5
3)
IF a sensor was reverse connected: AFTER correcting the problem see procedure number
T- 1.0.5 (page 218).

T- 1.0.5 PROBLEM LOCATED DURING CHECKS 1 AND 2

Depending on where the problem ORIGINALLY occurred, TWO (2) possible scenarios:
IF in Dialysis Program: A) Return to Dialysis Program ("Select Program" → 'Dialysis' → 'CONFIRM);
1)
B) Set [Dialysate Flow] to 800 ml/min; C) Allow six (6) minutes; D) If the temperature problem
reoccurs see procedure number
2) IF in Heat Disinfect: A) Return to Heat Disinfect; B) Allow up to thirty (30) minutes; C) If the problem
reoccurs put the machine in RINSE for fifteen (15) minutes then see procedure number
219).
trace NTC #2 AND NTC #3's cables from their distribution board connectors to the
Figure 42 – Temperature Sensors (NTC)
(page 218).
T- 1.0.6
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 219
(page 219).
, procedure number T- 1.0.6.
T- 1.0.6 (page
Page 218