MULTIQUIP MAYCO Series Operation Manual page 60

Table 7. GCP ECU Fault Code List for ZPP 416 Engine
NO. FAULT DESCRIPTION
Leader/Trailer Code
1 Lockoff open / ground short
2 Lockoff short to power
3 CRANK or CAM could not synchronize during start
4 MAP signal low or shorted to ground
5 MAP signal high
6 IAT signal Low/Shorted to GND
7 IAT signal High/Open
8 ECT higher than warning threshold
9 ECT Sensor Low/Shorted Input
10 ECT Sensor High/Open Input
11 TPS 1-2 voltage difference lower than expected
12 TPS 1-2 voltage difference higher than expected
13 Throttle Position Signal 1 low voltage
14 Throttle Position Signal 1 high voltage
15 Pre-Cat O2 Signal No Activity
16 Front O2 sensor heater control fault
17 Closed-loop LPG A/F is too lean
18 Closed-loop LPG A/F is too rich
19 Post-Cat O2 Signal No Activity
20 Closed-loop gasoline bank 1 A/F is too lean
21 Closed-loop gasoline bank 1 A/F is too rich
22 Catalyst inactive on LPG
23 Catalyst inactive on NG
24 Gasoline A/F is too lean (adaptive learn)
25 Gasoline A/F is too rich (adaptive learn)
26 Gasoline Fuel Temp Low Voltage
27 Gasoline Fuel Temp High Voltage
28 LPG Fuel Temp Low Voltage
29 LPG Fuel Temp High Voltage
30 Target TPS Lower than Actual
31 Target TPS Higher than Actual
32 ECT higher than engine shutdown threshold
33 Engine Overspeed Condition
34 TPS1 voltage higher than TPS2 voltage
35 Throttle Position Signal 2 low voltage
36 Throttle Position Signal 2 high voltage
37 Injector 1 Low/Open
38 Injector 1 High/Short
PAGE 60 — MAYCO C30HDGA CONCRETE PUMP • OPERATION MANUAL — REV. #1 (09/09/19)
ENGINE FAULT CODES
TURNS ON MIL? MIL FLASH CODE
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111
6
7
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112
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134
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151
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