310
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 34 - DIAGNOSTICS AND TROUBLESHOOTING
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
RTD INPUTS
The voltage level of each RTD at the indicated input
terminals is displayed as X.XX VDC. An LED illumi-
nates to indicate an open RTD. All inputs are 100 Ohm
RTD's.
TB6-1,3
Motor Winding Phase
A1 Temperature
TB6-4,6
Motor Winding Phase
A2 Temperature
TB6-7,9
Motor Winding Phase B1
Temperature
TB6-10,12
Motor Winding Phase B2
Temperature
TB5-1,3
Motor Winding Phase C1
Temperature
TB5-4,6
Motor Winding Phase C2
Temperature
TB5-7,9
Motor Bearing Opposite
Shaft End Temperature
TB5-10,12
Motor Bearing Shaft End
Temperature
Digital inputs
The state of each Digital Input is depicted by an LED.
TB7 a5 VDC inputs. TB8 accepts 24 VAC or
DC inputs. When the input is high (24 VAC/DC or +5
VDC), the LED is illuminated. Otherwise, it is extin-
guished.
TB7-5
Motor Cooling Coil Leak
Detector (low voltage optical)
TB7-2
Not used
TB8-5,6
Motor Cooling Coil
Leak Detector (float switch)
TB8-2,3
Not used
MODBUS COMMUNICATION COUNTERS
The following error counts are displayed. Pressing the
RESET COUNTERS key resets them to zero.
• ID Faults
• Checksum Errors
• Error Packets
• Timeout Faults
PROGRAMMABLE
Change Gain
Access Level Required: ADMIN
This key can be used to change the input gain of the
accelerometer vibration inputs. This key is only shown
when Microboard switch SW1-3 is set to ON. Pro-
grammable as 1:1, 11:1 or 21:1. Gain of individual
inputs cannot be changed. When any one is changed,
they are all changed to the same value.
1. Begin with Microboard switch SW1-3 in the OFF
position.
2. Login at VIEW access level.
3. Place Microboard switch SW1-3 in the ON posi-
tion.
4. After reboot, on DIAGNOSTICS LOGIN Screen,
login at ADMIN access level.
5. Press CHANGE VIBRATION key. A green box
appears around the first Vibration Input Gain
setpoint.
6. Press ENTER (
) key. A dialog box appears with
the range of allowed values.
7. Use
◄ and ►
keys to select desired value.
8. Press ENTER (
) key.
9. Press CANCEL (X) key to exit.