Carrier 19C Průvodce řešením problémů stáhnout pdf (Strana 16)

Part number 20083, Rev 0

16

Error Messages

Display

Messages

Corrective Action

E1

Appears when either the up or down

key is pressed when not in the

programming mode

If the E1 message appears even when

no keys are being pressed, replace

control.

E2

Appears if the control

settings are not

properly stored in memory.

Check all settings and correct if

necessary.

EP

Appears when the probe is open,

shorted or sensing a temperature that

is out of range.

Check to see if the sensed

temperature is out of range. If not,

check fo

r probe damage by comparing

it to a known ambient temperature

between

-

30°F and 220°F. Replace the

probe if necessary.

EE

Appears if the EPROM data has

been corrupted.

This condition cannot be field repaired.

Replace the control.

CL

Appears if

calibration mode has been

entered.

Remove power to the control for at

least five seconds. Reapply power. If

the CL message still appeared, replace

the control.

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