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Watlow MINICHEF 2000 User Manual

Page 38

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Tr o u b l e s h o o t i n g C h a r t

H a r d w a r e & S o f t w a r e S e t u p G u i d e

Wa t l o w M

I N I

C

H E F

2 0 0 0

3 7

• Compare controller part number

to the following part number for-
mat: F2HA-_ _ _ _ - 1 _ _ _.

• If the controller part number does

not have a “1” in the 9th position,
it is not equipped for the Real-
time Clock (time of day) feature.
Refer to the controller part num-
ber on the sticker label, or view
the controller part number by
accessing the WatHelp
Diagnostics Function.

• Confirm that the [Cloc`]

parameter is set to [``YES].

• Controller is not equipped with the

Real-time Clock option.

• Controller is equipped with the Real-

time Clock option, but the controller
is not programmed properly.

Time of day does not appear

on the display.

The word [`idLE] or some

other word appears on
the display when power is
turned on.

• If the application does not

require the Power Loss Menu
Resume feature, then this error
is a non-critical error. The con-
troller will operate normally,
with the exception of no longer
displaying the time of day. To cor-
rect the error, return controller to
the factory.

• If the application requires dis-

playing time of day, or if the
application requires the Power
Loss Menu Resume feature, then
this error is a critical error.
Return controller to the factory.

• Real-time Clock Error prohibits the

time of day to appear on the display.

[Err`14] briefly appears

on the display when
power is turned on.

Time of day no longer

appears on the display.
The word [`idLE] or
some other word appears
on the display.

• Adjust system or environment

such that the ambient air sur-
rounding the control is above 0°C
and below 80°C.

• Refer to controller specifications.

• Ambient temperature surrounding

the controller is too high or too low.

[Err`13 appears on the

display

• Refer to sensor wiring instruc-

tions.

• Refer to controller specifications.
• System may need to cool down.
• Evaluate the system high-temper-

ature limiting device.

• Over-range Error has occurred on

channel 2.

• Controller measures a temperature

above the allowable operating range.

• Temperature sensor lead wires for

channel 2 are improperly terminated
(lead wires are reversed).

• Controller is misapplied.

[Err`12] appears on the

display

Possible Solutions

Possible Causes

Symptom/Indication