Hach 900 MAX - Manual (Page 88)

Page 86
Modem
8990cm.fm
Section 6
Table 15 Pager Alarm Codes
Alarm Code Equipment Reason Alarm Code Equipment Reason
Low Main Battery 1 — Battery pack is less than 11.5 V High CH5 28 — —
Memory Battery 2 — Internal memory battery is low High CH6 29 — —
Low Slate Memory 3 — Less than 10% slate memory left High CH7 30 — —
Slate Memory Full 4 — Slate memory is used up
High
Reference
Temp.
31 — —
Modem Failure 5 — Modem chip/modem board failure
High
Velocity
32 — —
Missed Sample 6 — No liquid detected when sampling High D.O. 33 — —
Purge Failure 7 —
Water present at sensors after
purge High D.O.
Temp.
34 — —
Jammed Distributor 8 —
Sensors indicate arm is not
moving High
Conductivity
35 — —
Bottle is Full 9 — Full bottle option indicator is on
High Cond.
Temp.
36 — —
U-Sonic Echo Loss 10 — No return signal detected Low Level 37 — —
Xducer Ringing 11 —
The return signal is detected too
soon
Low Flow 38 — —
U-Sonic failure 12 — Ultrasonic board detects an error
Low
pH/ORP
39 — —
RS485 Timed Out 13 — Comm. problems with RS485
Low
Process
Temp.
40 — —
Unable to Cool 14 AWRS only
Too high temperature in a
compartment
Low CH1 41 — —
Unable to heat 15 AWRS only
Too cold a temperature in
compartment
Low CH2 42 — —
Low Bubbler Pres. 16
(not
applicable)
Possible leak in bubble tank Low CH3 43 — —
Clogged Bubbler 17
(not
applicable)
Bubbler tube is plugged Low CH4 44 — —
High Level 18 — — Low CH5 45 — —
High Flow 19 — — Low CH6 46 — —
High Flow Rate of
Chg.
20 — — Low CH7 47 — —
High pH/ORP 21 — —
Low
Reference
Temp.
48 — —
High Process
Temperature
22 — — Low Velocity 49 — —
High Rainfall 23 — — Low D.O. 50 — —
High CH1 24 — —
Low D.O.
Temp.
51 — —
High CH2 25 — —
Low
Conductivity
52 — —
High CH3 26 — —
Low Cond.
Temp.
53 — —
High CH4 27 — —