Hach Sigma 950, Инструкция по эксплуатации инструмента

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Appendix G Troubleshooting
Basic Troubleshooting
Problem Causes Solutions
Instrument Will Not Power Up With
ac Power
Blown Fuse.
Check the fuse located on the base board
(see section
9.4 on page 75 ).
Circuit breaker issue. Check the circuit breaker for the main power.
Breaker is good, but still no power. Check to see if the outlet is receiving power.
Breaker and outlet is good, still no
power.
Try using a battery or another power supply.
Instrument Will Not Power Up With
dc Power
Blown Fuse.
Check the fuse located on the base board
(see section
9.4 on page 75 ).
Battery is not charged. Replace with a fully charged battery.
Battery is dead.
Try using an ac power supply or a different
battery.
Gel or Nickel Cadmium battery has
been submerged and internal corrosion
has occurred.
Replace the battery pack.
Incorrect battery usage. Use manufacturer battery.
Short Battery Life
Voltage range is insufficient.
Ensure a gel cell or nickel cadmium voltage is
in the 12.6 to 13.4 volts range when fully
charged.
Battery power is draining to quickly.
Fully charge the battery and let it sit for an
hour before checking the voltage. Replace the
battery if the voltage of the battery drops
below 12 to 12.5 V dc within an hour.
Modem is operating.
Check to see if the unit is using a modem.
Flow Meters with a modem should always be
on ac power, or scheduled when using the cell
option.
Low Main Battery Battery Power is running low. Change battery.
Memory Battery
Internal memory battery needs to be
changed.
Replace the two c-cells inside the unit.
Low Slate Memory
Free slate memory is less than 20%.
RAM memory is almost full and will stop
recording soon. Download data from unit, halt and restart the
program or download data, halt, and change
data to wrap mode.
Slate Memory Full
No more slate memory. Unit is in slate
memory mode and cannot log any more
data. Download data and restart the program or
download data then change the memory
mode.
Program Complete
The program has completed and no
more data will be logged.
If using slate mode, change to wrap mode.
The power is interrupted for more than
three hours due to a power outage or
dead battery. Use an ac power backup option. This is a
customer purchased item when using ac
mode. Download data and restart program.
Modem Failure Problem with modem board. Contact factory.
No 4–20 Output/Totalizer Stopped.
Program complete.
Enable 4–20.
4–20 not enabled.