The PowerCommand 2100 is a generator-set controller. It is used on generator sets from Cummins/Onan, including the 100 GGHH, 1100DFLB, 1120 DFLC and 125 GGHJ.
Also fitted to: Cummins/Onan ESG-642, Cummins/Onan GGHG/GGHH.
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| 1 | Green RUN lamp lights following engine startup. | Indicates all engine systems are normal. | No corrective action required. |
| 10 | Incorrect main fuel valve adjustment. | Refer to Gaseous Fuel Adjustment (Type A or B) in Section 6. | |
| 10 | LO FUEL LAMP lights. Engine shuts down and LO OIL PRES lamp lights. | Indicates engine has run out of fuel. | Check fuel level and replenish as required. |
| 101 | IDLE MODE — Engine continues to operate at reduced RPM. | Indicates that the engine is operating in idle mode. When the set is operating in the RUN mode, grounding the engine idle input causes generator build-up to be inhibited and the engine to be governed at 800 RPM. When ground is removed from this input, the set returns to normal speed and voltage. When the engine idle function is enabled, the control automatically sets lower oil pressure warning and shutdown trip points to reflect the lower operating speed. When the engine idle function is removed and the set reverts to normal operating speed, the control automatically resets oil pressure warning and shutdown trip points to the normal settings. | |
| 101 | IDLE MODE — WARNING; Engine continues to operate at reduced RPM. | Indicates that the engine is operating in idle mode. When the set is operating in the RUN mode, grounding the engine idle input causes generator build-up to be inhibited and the engine to be governed at 800 RPM. | When ground is removed from this input, the set returns to normal speed and voltage. When the engine idle function is enabled, the control automatically sets lower oil pressure warning and shutdown trip points to reflect the lower operating speed. When the engine idle function is removed and the set reverts to normal operating speed, the control automatically resets oil pressure warning and shutdown trip points to the normal settings. |
| 102 | EMERGENCY STOP — Engine shuts down and will not crank. | Indicates local or remote Emergency Stop. | To reset the local Emergency Stop button: Pull the button out or turn the switch clockwise (button with arrow) and allow it to pop out; Move the Run/Off/Auto switch to Off; Press the Reset switch; Select Run or Auto, as required. |
| 102 | EMERGENCY STOP — SHUTDOWN; Engine shuts down and will not crank. | Indicates local or remote Emergency Stop. | To reset the local Emergency Stop button: Pull the button out or turn the switch clockwise (button with arrow) and allow it to pop out; Move the Run/Off/Auto switch to Off; Press the Reset switch; Select Run or Auto, as required. |
| 11 | Incorrect secondary regulator adjustment. | Refer to Initial Secondary Regulator Adjustment in Section 6. | |
| 11 | LO ENG TEMP lamp lights. Set is in standby mode but is not operating. (Lamp lights when engine coolant temperature is 70° F (21° C) or lower. Since the lamp goes out after the engine warms up, there should be no cause for alarm even during initial generator set operation.) | Indicates engine coolant heater is not operating, not circulating coolant or ambient temperature too cold for heater to keep up with demand. | Check for the following conditions: a. Coolant heater not connected to power supply. Check for blown fuse or disconnected heater cord and correct as required. b. Check for low coolant level and replenish if required. Look for possible coolant leakage points and repair as required. c. Contact an authorized service center if none of the above. |
| 111 | Internal ECM error | ||
| 1117 | ECM POWER LOST — Lamp: Warning. Indicates that “Keyswitch” to the ECM was NOT removed for 30 seconds before removing battery power to the ECM (removing connectors or battery cable). | To reset, place the O/Manual/Auto switch in the O position and press E-Stop and wait 30 seconds. Remove E-Stop and press the Fault Reset button. | |
| 1117 | ECM power lost | ||
| 1118 | Prelube relay driver | ||
| 112 | Actuator not responding | ||
| 1121 | Failed to Disconnect | ||
| 1122 | Rated/Idle Trans | ||
| 1123 | Shutdown After BS | ||
| 1123 | Shutdown After BS — Shutdown | ||
| 1123 | Shutdown After Battle Short | Moving the customer installed Battle Short switch to OFF with an active but overridden shutdown fault or a shutdown fault that was overridden at any time. | |
| 1123 | Shutdown After Battle Short — Shutdown | Moving the customer installed Battle Short switch to OFF with an active but overridden shutdown fault or a shutdown fault that was overridden at any time | |
| 1123 | Shutdown After Battle Short — displayed after the Battle Short feature is disabled following an overridden shutdown fault that occurred while in Battle Short mode | ||
| 1124 | DELAYED SHUTDOWN — Lamp: Warning. A shutdown fault became active while the Delayed Shutdown feature was enabled. The shutdown will be delayed by the delayed shutdown time entered. | Review Fault History and perform corrective action. | |
| 1124 | Delayed Shutdown | ||
| 1124 | Delayed Shutdown — Warning | ||
| 1124 | Delayed Shutdown — Wrng | ||
| 1124 | Delayed shutdown | ||
| 113 | Actuator sensor fault | ||
| 1131 | Battle Sh Active | ||
| 1131 | Battle Sh Active — Warning | ||
| 1131 | Battle Sh Active — Warning status indicator is lit. | Battle Short mode is enabled. | |
| 1131 | Battle Short Active | ||
| 1131 | Battle Short Active — Warning status indicator lights and code 1131 is displayed | ||
| 115 | No speed signal | ||
| 115 | Speed Signal Lost — Shtdn | ||
| 115 | Speed signal lost | ||
| 116 | Time press sensor high | ||
| 117 | Time press sensor low | ||
| 118 | Pump press sensor high | ||
| 119 | Pump press sensor low | ||
| 12 | The FAULT 1 or FAULT 2 fault lamp lights. Engine shuts down immediately, engine runs for several seconds and then shuts down, or engine continues to run. | The standard undesignated fault functions are programmed to shut down the set when a fault is sensed. Fault 1 is time delayed while Fault 2 is immediate. The nature of the fault is an optional selection that is determined when the set installation is designed. The undesignated fault functions may also be programmed for non-shutdown or non-time delay. | |
| 121 | No engine speed signal | ||
| 121 | Speed Signal Lost | ||
| 121 | Speed Signal Lost (Loss of Speed Sense) — Battle Short is suspended and a shutdown occurs immediately if this critical shutdown fault occurs | ||
| 121 | Speed Signal Lost — Battle Short is suspended and a shutdown occurs immediately. | ||
| 121 | Speed Signal Lost — Shut down | Loose or damaged magnetic pickup (MPU) wires/connector pins. | Inspect the wires/connector pins, and repair or replace as necessary. |
| 121 | Speed Signal Lost — Shutdown | ||
| 1219 | Utility CB tripped | ||
| 122 | Manifold air press sensor | ||
| 122 | Manifold air press sensor H — Wrng | ||
| 122 | Manifold air press sensor high | ||
| 1222 | Power transfer not in auto | ||
| 1223 | Utility frequency sensor | ||
| 1224 | Gen over voltage sensor | ||
| 1225 | Gen under voltage sensor | ||
| 1226 | Genset frequency sensor | ||
| 123 | Manifold air press sensor | ||
| 123 | Manifold air press sensor L — Wrng | ||
| 123 | Manifold air press sensor low | ||
| 124 | High manifold pressure | ||
| 124 | Manifold air press warning — Wrng |
Fault codes and symptom→remedy steps extracted from this controller’s service/owner documentation; verify against the official manual before servicing. Aggregated from the service documentation of generator sets built on this controller.