Specifications

I.B. ATS-I005
Page 27
Effective 6/00
Table 6.1 Troubleshooting Guide (continued)
Symptom Probable Cause Possible Solution(s)
Unit fails to communicate Addressable Relay(s) set to incorrect Set Addressable Relay(s) address from 002 to
over Load Sequencing address. 00B.
subnetwork.
Addressable Relay(s) set to incorrect Set Addressable Relay(s) baud rate to 1200
baud rate. baud (SW1 = ON).
Addressable Relay(s) Watchdog and Disable Addressable Relay(s) Watchdog and
Relay Pulse features not disabled. Relay Pulse features (SW2, SW3 = OFF).
Incorrect Addressable Relay(s) reportback Wire to IN1 reportback input of Addressable
input used. Relay(s).
Twisted pair wiring not used between Use Belden 9463 twisted pair, Cutler-Hammer
Addressable Relay(s) and IQ Transfer. IMPCABLE, or equivalent.
Addressable Relay(s) control power Verify Addressable Relay(s) control power of 96
deficient or absent. to 144 VAC or 48 to 125 VDC.
Unit fails to communicate over Wrong or conflicting address set on PONI. Check that PONI has a unique address on the
IMPACC network. system and that software is addressing proper unit.
Communications wiring errors. Verify wiring is in conformance to IMPACC wiring
rules.
PONI failure. Replace PONI.
IQ Transfer is malfunctioning. Replace the unit.
Unit did not allow setpoints to Run/Program switch is not in Run position. Set Run/Program switch to Run position.
be downloaded over IMPACC.
IMPACC communications error. See “Unit fails to communicate over IMPACC
network.”
observed is external or internal to the unit. For assis-
tance with this determination, contact Cutler-Hammer. If
a problem is identified to be internal, the unit should be
returned to the factory for repair or replacement. If a
problem is identified to be external to IQ Transfer, pro-
ceed to Section 6.3 and continue troubleshooting.
6.3 PROBLEM SOLVING (VERTICAL MECHANISM
TYPE TRANSFER SWITCHES)
HAZARDOUS VOLTAGES IN AND AROUND
TRANSFER SWITCH EQUIPMENT DURING THE
PROBLEM SOLVING PROCESS CAN CAUSE
PERSONAL INJURY AND/OR DEATH. AVOID
CONTACT WITH ANY VOLTAGE SOURCE WHILE
PROBLEM SOLVING.
!
WARNING