8 Basic check for fault finding
CPM 500 Electronic Peak Pressure Indicator
39
8
Basic check for fault finding
Before contacting your local agency or service partner, check the problem guide below.
Problem
Indication at CPM 500
Action
No display indication after switch “On”
Charge battery by connecting to
USB port from CPM 500 to PC
Low battery after full charging
If the battery status is low and charging
process finished after 5-10 minutes then
the user can charge battery manually 90
min. *
Connection to USB port of PC
Press 2 s both arrows
+
at CPM 500
Over temperature indication
Indication after temperature of
measuring cell > 300 °C
Disconnect sensor from indicator
cock and wait 5-10 minutes
High offset
Sensor is defect.
Please send CPM 500 unit to
HEINZMANN workshop
No signal
Engine speed is lower than 10 RPM or
Indicator cock is not opened
Open indicator cock
* If battery of standard NiMh 250 mAh type Ansmann can not be charged or available than operator can use for
measurements Alkaline battery 9V for a short time. Please disconnect CPM 500 unit after transferring data to
PC!
Note: It is not recommended to use the Forced Charging Mode when the battery charge
condition is more than 40%, due to the risk of overcharging. Please see chapter 5.2 for a
description how to check the charge state.
Note: Please only use re-chargeable battery E-block type “ANSMANN 250 mAh NiMh”
(Fig. 27).
Fig.27: Re-chargeable E-block battery type: Ansmann
