TROUBLE
PROBABLE CAUSE
REMEDY
Controller locks up or
memory is corrupted.
Power Spikes
Controller should be iso-
lated from power spikes.
Provide computer clean
power. (See Chapter 2 for
instructions)
HI 2160RC
PLUS
MANUAL
9-6
•
Power Surges
TROUBLE
PROBABLE CAUSE
REMEDY
Controller locks up or
memory is corrupted.
Power Surge. Noise
produced by relays
Install surge suppression.
The solenoids operated by
the internal relays of the con-
troller must be fitted with
surge suppression. A resis-
tor and a capacitor across
the coil of the solenoid pre-
vents a sudden surge of cur-
rent when the relay
energizes. (See Fig. 9-2)
CONTROL VOLTAGE
SURGE SUPPRESSOR
(SNUBBER)
HI 2160RC
SET POINT
RELAY
EXTERNAL
RELAY
EXTERNAL
DEVICE
N/C
N/C
FIG. 9-2 SURGE SUPPRESSION RESISTIVE/CAPACITIVE CIRCUIT PRT.
#4802-0002
•
Power Brown Outs or Black Outs
Summary of Contents for HI 2160RC PLUS
Page 1: ...HI 2160RCPLUS Rate Controller Operation and Installation Manual ...
Page 23: ...HI 2160RCPLUS MANUAL 2 6 ...
Page 49: ...HI 2160RCPLUS MANUAL 3 26 ...
Page 67: ...HI 2160RCPLUS MANUAL 4 18 ...
Page 91: ...HI 2160RCPLUS MANUAL 5 24 ...
Page 151: ...HI 2160RCPLUS MANUAL 7 12 ...
Page 187: ...HI 2160RCPLUS MANUAL 8 36 ...
Page 207: ...HI 2160RCPLUS MANUAL 9 20 ...
Page 219: ...Data Worksheets WKSHT 6 ...