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OM-222 166 Page 44
Fault Condition Additional Information
F67: Over Frequency Fault Verify heating cable properly wrapped
Verify material being heated is magnetic
F68: Cable Connection Fault Check for loose/open output connection
Verify all output cables are same type
Verify receptacle plug connected
F69: Coolant Overtemp Fault Check coolant flow and level
Clean coolant filters and heat exchanger
Increase number of turns
Verify appropriate insulation thickness
F70: Internal Communication Fault Service required
F71: Internal Thermistor Fault Service required
F72: Coolant Thermistor Fault Service required
F73: Decoupled/Open Coil Service required
F74: Isolation Fault Self-Test Error Service required
F75: Internal Power Supply Fault Service required
F76: Current Source Control Fault Service required
F77: Power Source Internal Comm Fault Service required
F78:Output Current Sense Fault Check for loose/open output connection
9-6. System Diagnostic Screens
Additional system diagnostics are available and accessible through the operator interface. Detail operational parameters can be accessed by pressing
and holding the Run Status button and pressing the Parameters
Hz
V
A
kW
button.
When this feature is initially activated, the following screen appears on the LCD display:
RemCmd: 1023 Off Cable1: LQD DIAG1
OutI1: 0 A Cable2: LQD
OutI2: 0 A ClntFR: 0.75 GPM
IsrcFb: 0 A ClrSts: Flowing
System Diagnostic Screen
RemCmd − This is the value of the remote command and the status of the remote contactor.
. Remote controls can be used to enable/disable output. They do not affect output power level.
Out I1 − This is the value of the output current on output 1.
Out I2 − This is the value of the output current on output 2.
Isrc FB − This is the value of the amperage in the current source inverter.
Cable 1 − This is the cable type hooked up to output number one. Possible labels:
S AIR − for an air-cooled cable
S LQD − for a liquid-cooled cable
S PLUG − for a protective plug
S OPEN − no cable or plug in place
Cable 2 − This is the cable type hooked up to output number two. Possible labels:
S AIR − for an air-cooled cable
S LQD − for a liquid-cooled cable
S PLUG − for a protective plug