T- 7.5.0 Verify Measured Temperature; T- 7.5.2 Temperature Is Unstable - Fresenius Medical Care 2008K2 Troubleshooting Manual

T- 7.5.0 VERIFY MEASURED TEMPERATURE

At this point it does not matter if the external meter is 37.0° C! WITHOUT LOOKING AWAY, watch it for one
(1) minute noting its highest and lowest values. TWO (2) possible scenarios:
1) IF (and ONLY if) temperature changes more than +/- 0.2° C: ENSURING the external flow
indicator's 'bob' is rising and falling see procedure number
2) IF temperature does NOT change more than +/- 0.2° C: DO NOT press 'CONFIRM' until instructed.
Based on the external meter's reading, TWO (2) possible scenarios i) or ii) below:
i) IF (and ONLY if) between 36.9 and 37.1° C: Proceed to
T- 7.6.0.
ii) IF NOT between 36.9 and 37.1° C: See parts a through c below:
a) Select the [TEMP DAC] data box, it turns bright yellow.
b) Adjust [TEMP DAC] (+/- 2 = +/- 0.1° C) then sharply press 'CONFIRM'. [TEMP DAC]
MUST be pale yellow/white (NOT GRAY) to continue!
FIVE (5) FULL
c) Allow
Does it EVER remain down for longer than four (4) seconds?.
Yes
No 'Bob' never stays down longer than four seconds! Repeat procedure number

T- 7.5.2 TEMPERATURE IS UNSTABLE

a) Continue to watch the meter for up to six (6) FULL minutes ENSURING the external flow indicator's 'bob'
is rising and falling. If the external meter does NOT fall to less than 33° C continue to part b. If it DOES
see (ABOVE) procedure number
b) Was procedure number
Yes T- 6.0.0 was already performed! See procedure number
No a) Turn the machine OFF!
b) Turn the machine on and return to Dialysis Program ("Select Program" → 'Dialysis' →
'CONFIRM').
b) See (ABOVE) procedure number
minutes while watching the external flow indicator's 'bob'.
'Bob' stays down longer than four seconds! See (ABOVE) procedure
page 306
number T- 7.2.4 (
T- 7.5.0 (page 309).
page 308
T- 7.4.1 (
T- 6.0.0 (page 298) performed in THIS troubleshooting session?
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
T- 7.5.2 (page 309).
page 311
).
).
T- 7.5.3
page 298
T- 6.0.0 ( ).
, procedure number
(page 310).
Page 309