Enter password 1270, 0 maintenance – ENMET GSM-60 User Manual

Page 16

GSM-60

ENMET Corporation

5.0 Maintenance

The

GSM-60

requires periodic sensor calibration and replacement. Calibration of toxic gas and oxygen sensor should be

performed immediately following installation, one month after installation and every 3 months thereafter. HC sensor should be
calibrated on a monthly bases. Oxygen and CO sensor have an estimated lifetime of 1 – 2 years. The CO2 sensor has an
estimated lifetime of 3 years. Other sensors vary. Sensors should be replaced when they will not calibrate or shortly before the
end of the estimated lifetime.

5.1 Cleaning Instructions

AUTION

Never spray a cleaning solution on the surfaces of the

GSM-60

devices.

Clean the exterior of the

GSM-60

enclosures with a mild soap solution on a clean, damp cloth. Do not soak the cloth with

solution so that moisture drips onto, or lingers on, external surfaces.

Under no circumstances should organic solvents such as paint thinner be used to clean instrument surfaces.

5.2 Maintenance Menu

5.2.1 Accessing Maintenance Menu

The

GSM-60

maintenance menu is accessed by entering the proper password with the

OPTION

and

SELECT

switches. See

Section 5.2.2 Figure 6 for full Maintenance Menu flow chart.

Entrance to the maintenance menu is guarded with a four-digit Password. The factory default setting of the password is 1270.
When a valid numerical password is inserted, the user is allowed to enter the maintenance menu.

To enter the maintenance menu. Press the

OPTION

switch until “Enter Maint Menu” is displayed then press

SELECT

switch for

the Enter Password menu. Enter the valid password as described below.

In the "

Enter Maint Menu

" position

Press the

SELECT

switch "

Enter Password

❚

" is displayed. Press

SELECT

switch once, to move cursor to next digit,

this will be the first digit of the password.

In the

❚

000

position, the underline cursor is under the left digit.

Press the

OPTION

switch to change the left digit; select the correct digit.

Press the

SELECT

switch, which locks the digit in place and moves the cursor one digit to the right.

Continue this process until the four-digit password is complete. When a valid password is inserted in this manner, the display is
transferred to the "

Calibration

" portion of the menu. If an invalid password is inserted you are returned to the Enter Maint

Menu display.

Example: Password Display (with factory installed password entered) and Flow Chart below.

To Calibration

See Section 5.2.2 Figure 6 for full Maintenance Menu flow chart.

Enter Password

1270

CO
PPM

O = Option Switch
S = Select Switch

H2S
PPM

Enter Password

❚

0000

Enter Maint Menu

Changes digit indicated by underscore cursor

Locks underscored digit and moves cursor to next digit

(6)

Valid

Invalid