Emerson 54e pH/ORP instruction manual Password protected

MODEL 54e pH/ORP		SECTION 8.0
		TROUBLESHOOTING
TABLE 8-3. Troubleshooting Guide (continued)
PROBLEM OR CONDITION	PROBABLE CAUSE AND	FOR MORE HELP,
	CORRECTIVE ACTION	REFER TO
Display reads between 3 and	Electrode cracked -
6 pH regardless of actual pH	Replace electrode.
solution or sample.

"cracked glass failure"

Sluggish or slow display indica- tion for real changes in pH level.

Inability to change parameters in the controller. "Level 1 security: Lock" "Level 2 security: Lock" "Level 3 security: Lock"

Outputs do not change "Hold Mode activated" "simulating output 1 or 2" "simulating alarm 1,2,3, or 4"

Red LED light is on Various fault messages shown on lower display.

Electrode coated -

Clean electrode as instructed in sensor manual

Password protected -	Section 7.0
Your controller has password protection.
You must enter the correct password to
make changes in the controller.
Controller is in Hold or simulate mode -	Software Configuration, Section 5.6
To remove from Hold, press any key	Calibration , Section 4.7
and then press Enter (F4). Press Edit (F4),
change "On" to Off", and press Save (F4).
To stop simulation, press Exit (F1).
When the unit has been put into "Hold",
all outputs go to their default states.
Unit has gone into fault mode -	Section 8.0
Read the message and take action as
indicated in Table 8-2.

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