IB-106-340
5-7
DIAGNOSTIC
ALARMS
TEST
POINTS
HEATER T/C
HEATER
O2 CELL
CALIBRATION
CALIBRATION RECOMMENDED
O2 CELL mV +
O2 CELL mv -
HEATER T/C +
HEATER T/C -
INC
INC
DEC
DEC
HIGH
GAS
LOW
GAS
CAL
TEST GAS +
PROCESS -
% O2
SW2
TP1
J1
TP2
TP3
RED
YEL
GRN
ORG
TP4
TP5
TP6
ON
22220037
Figure 5-5. Fault 5, High High Heater Temp
e.
Fault 5, High High Heater Temp. The
HEATER LED flashes twice, pauses for three
seconds, and repeats (Figure 5-5).
1. The high high heater temp alarm will
activate when the thermocouple produces a
voltage of 37.1 mV (1652°F/900°C).
2. The triac and the temperature control may
be at fault.
3. Remove power. Allow Oxymitter 4000 to
cool for five minutes. Restore power.
4. If the condition repeats, replace the
electronic assembly per paragraph 6-5b,
Electronic Assembly Replacement.
Содержание Oxymitter 4000
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